Adding upstream version 86.0.1.upstream/86.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

12 files changed, 3539 insertions, 0 deletions

diff --git a/third_party/rust/Inflector/src/cases/camelcase/mod.rs b/third_party/rust/Inflector/src/cases/camelcase/mod.rs
new file mode 100644
index 0000000000..b09ddc65b2
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/camelcase/mod.rs
@@ -0,0 +1,370 @@
+#![deny(warnings)]
+use cases::case::*;
+
+/// Converts a `&str` to camelCase `String`
+///
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "fooBar".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "FOO_BAR";
+///     let expected_string: String = "fooBar".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "Foo Bar";
+///     let expected_string: String = "fooBar".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "fooBar".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "fooBar".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "foo-bar";
+///     let expected_string: String = "fooBar".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "fooBar".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "FooBar3";
+///     let expected_string: String = "fooBar3".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::to_camel_case;
+///     let mock_string: &str = "Foo-Bar";
+///     let expected_string: String = "fooBar".to_string();
+///     let asserted_string: String = to_camel_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_camel_case(non_camelized_string: &str) -> String {
+    let options = CamelOptions {
+        new_word: false,
+        last_char: ' ',
+        first_word: false,
+        injectable_char: ' ',
+        has_seperator: false,
+        inverted: false,
+    };
+    to_case_camel_like(&non_camelized_string, options)
+}
+
+/// Determines if a `&str` is camelCase bool``
+///
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "Foo";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "foo";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "fooBarIsAReallyReally3LongString";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::camelcase::is_camel_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_camel_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+pub fn is_camel_case(test_string: &str) -> bool {
+    to_camel_case(&test_string.clone()) == test_string
+}
+
+#[cfg(all(feature = "unstable", test))]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_camel0(b: &mut Bencher) {
+        b.iter(|| {
+            let test_string = "Foo bar";
+            super::to_camel_case(test_string)
+        });
+    }
+
+    #[bench]
+    fn bench_camel1(b: &mut Bencher) {
+        b.iter(|| {
+            let test_string = "foo_bar";
+            super::to_camel_case(test_string)
+        });
+    }
+
+    #[bench]
+    fn bench_camel2(b: &mut Bencher) {
+        b.iter(|| {
+            let test_string = "fooBar";
+            super::to_camel_case(test_string)
+        });
+    }
+
+    #[bench]
+    fn bench_is_camel(b: &mut Bencher) {
+        b.iter(|| {
+            let test_string: &str = "Foo bar";
+            super::is_camel_case(test_string)
+        });
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use ::to_camel_case;
+    use ::is_camel_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_case_with_loads_of_space() {
+        let convertable_string: String = "foo           bar".to_owned();
+        let expected: String = "fooBar".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn a_name_with_a_dot() {
+        let convertable_string: String = "Robert C. Martin".to_owned();
+        let expected: String = "robertCMartin".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn random_text_with_bad_chars() {
+        let convertable_string: String = "Random text with *(bad) chars".to_owned();
+        let expected: String = "randomTextWithBadChars".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn trailing_bad_chars() {
+        let convertable_string: String = "trailing bad_chars*(()())".to_owned();
+        let expected: String = "trailingBadChars".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn leading_bad_chars() {
+        let convertable_string: String = "-!#$%leading bad chars".to_owned();
+        let expected: String = "leadingBadChars".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn wrapped_in_bad_chars() {
+        let convertable_string: String = "-!#$%wrapped in bad chars&*^*&(&*^&(<><?>><?><>))".to_owned();
+        let expected: String = "wrappedInBadChars".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn has_a_sign() {
+        let convertable_string: String = "has a + sign".to_owned();
+        let expected: String = "hasASign".to_owned();
+        assert_eq!(to_camel_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_camel_case(&convertable_string), true)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_camel_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_camel_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_camel_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_camel_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_camel_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_camel_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_camel_case(&convertable_string), false)
+    }
+}
+
diff --git a/third_party/rust/Inflector/src/cases/case/mod.rs b/third_party/rust/Inflector/src/cases/case/mod.rs
new file mode 100644
index 0000000000..bb4c3d2e33
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/case/mod.rs
@@ -0,0 +1,303 @@
+#![deny(warnings)]
+#[allow(unknown_lints)]
+#[allow(unused_imports)]
+use std::ascii::*;
+
+pub struct CamelOptions {
+    pub new_word: bool,
+    pub last_char: char,
+    pub first_word: bool,
+    pub injectable_char: char,
+    pub has_seperator: bool,
+    pub inverted: bool,
+}
+
+pub fn to_case_snake_like(convertable_string: &str, replace_with: &str, case: &str) -> String {
+    let mut first_character: bool = true;
+    let mut result: String = String::with_capacity(convertable_string.len() * 2);
+    for char_with_index in trim_right(convertable_string).char_indices() {
+        if char_is_seperator(&char_with_index.1) {
+            if !first_character {
+                first_character = true;
+                result.push(replace_with.chars().nth(0).unwrap_or('_'));
+            }
+        } else if requires_seperator(char_with_index, first_character, &convertable_string) {
+            first_character = false;
+            result = snake_like_with_seperator(result, replace_with, &char_with_index.1, case)
+        } else {
+            first_character = false;
+            result = snake_like_no_seperator(result, &char_with_index.1, case)
+        }
+    }
+    result
+}
+
+pub fn to_case_camel_like(convertable_string: &str, camel_options: CamelOptions) -> String {
+    let mut new_word: bool = camel_options.new_word;
+    let mut first_word: bool = camel_options.first_word;
+    let mut last_char: char = camel_options.last_char;
+    let mut found_real_char: bool = false;
+    let mut result: String = String::with_capacity(convertable_string.len() * 2);
+    for character in trim_right(convertable_string).chars() {
+        if char_is_seperator(&character) && found_real_char {
+            new_word = true;
+        } else if !found_real_char && is_not_alphanumeric(character) {
+            continue;
+        } else if character.is_numeric() {
+            found_real_char = true;
+            new_word = true;
+            result.push(character);
+        } else if last_char_lower_current_is_upper_or_new_word(new_word, last_char, character) {
+            found_real_char = true;
+            new_word = false;
+            result = append_on_new_word(result, first_word, character, &camel_options);
+            first_word = false;
+        } else {
+            found_real_char = true;
+            last_char = character;
+            result.push(character.to_ascii_lowercase());
+        }
+    }
+    result
+}
+
+#[inline]
+fn append_on_new_word(mut result: String, first_word: bool, character: char, camel_options: &CamelOptions) -> String {
+    if not_first_word_and_has_seperator(first_word, camel_options.has_seperator) {
+        result.push(camel_options.injectable_char);
+    }
+    if first_word_or_not_inverted(first_word, camel_options.inverted) {
+        result.push(character.to_ascii_uppercase());
+    } else {
+        result.push(character.to_ascii_lowercase());
+    }
+    result
+}
+
+fn not_first_word_and_has_seperator(first_word: bool, has_seperator: bool) -> bool {
+    has_seperator && !first_word
+}
+
+fn first_word_or_not_inverted(first_word: bool, inverted: bool) -> bool {
+    !inverted || first_word
+}
+
+
+fn last_char_lower_current_is_upper_or_new_word(new_word: bool, last_char: char, character: char) -> bool{
+    new_word ||
+        ((last_char.is_lowercase() && character.is_uppercase()) &&
+         (last_char != ' '))
+}
+
+fn char_is_seperator(character: &char) -> bool {
+    is_not_alphanumeric(*character)
+}
+
+fn trim_right(convertable_string: &str) -> &str {
+    convertable_string.trim_end_matches(is_not_alphanumeric)
+}
+
+fn is_not_alphanumeric(character: char) -> bool {
+    !character.is_alphanumeric()
+}
+
+#[inline]
+fn requires_seperator(char_with_index: (usize, char), first_character: bool, convertable_string: &str) -> bool {
+    !first_character &&
+        char_is_uppercase(char_with_index.1) &&
+            next_or_previous_char_is_lowercase(convertable_string, char_with_index.0)
+}
+
+#[inline]
+fn snake_like_no_seperator(mut accumlator: String, current_char: &char, case: &str) -> String {
+    if case == "lower" {
+        accumlator.push(current_char.to_ascii_lowercase());
+        accumlator
+    } else {
+        accumlator.push(current_char.to_ascii_uppercase());
+        accumlator
+    }
+}
+
+#[inline]
+fn snake_like_with_seperator(mut accumlator: String, replace_with: &str, current_char: &char, case: &str) -> String {
+    if case == "lower" {
+        accumlator.push(replace_with.chars().nth(0).unwrap_or('_'));
+        accumlator.push(current_char.to_ascii_lowercase());
+        accumlator
+    } else {
+        accumlator.push(replace_with.chars().nth(0).unwrap_or('_'));
+        accumlator.push(current_char.to_ascii_uppercase());
+        accumlator
+    }
+}
+
+fn next_or_previous_char_is_lowercase(convertable_string: &str, char_with_index: usize) -> bool {
+    convertable_string.chars().nth(char_with_index + 1).unwrap_or('A').is_lowercase() ||
+        convertable_string.chars().nth(char_with_index - 1).unwrap_or('A').is_lowercase()
+}
+
+fn char_is_uppercase(test_char: char) -> bool {
+    test_char == test_char.to_ascii_uppercase()
+}
+
+#[test]
+fn test_trim_bad_chars() {
+    assert_eq!("abc", trim_right("abc----^"))
+}
+
+#[test]
+fn test_trim_bad_chars_when_none_are_bad() {
+    assert_eq!("abc", trim_right("abc"))
+}
+
+#[test]
+fn test_is_not_alphanumeric_on_is_alphanumeric() {
+    assert!(!is_not_alphanumeric('a'))
+}
+
+#[test]
+fn test_is_not_alphanumeric_on_is_not_alphanumeric() {
+    assert!(is_not_alphanumeric('_'))
+}
+
+
+#[test]
+fn test_char_is_uppercase_when_it_is() {
+    assert_eq!(char_is_uppercase('A'), true)
+}
+
+#[test]
+fn test_char_is_uppercase_when_it_is_not() {
+    assert_eq!(char_is_uppercase('a'), false)
+}
+
+#[test]
+fn test_next_or_previous_char_is_lowercase_true() {
+    assert_eq!(next_or_previous_char_is_lowercase("TestWWW", 3), true)
+}
+
+#[test]
+fn test_next_or_previous_char_is_lowercase_false() {
+    assert_eq!(next_or_previous_char_is_lowercase("TestWWW", 5), false)
+}
+
+#[test]
+fn snake_like_with_seperator_lowers() {
+    assert_eq!(snake_like_with_seperator("".to_owned(), "^", &'c', "lower"), "^c".to_string())
+}
+
+#[test]
+fn snake_like_with_seperator_upper() {
+    assert_eq!(snake_like_with_seperator("".to_owned(), "^", &'c', "upper"), "^C".to_string())
+}
+
+#[test]
+fn snake_like_no_seperator_lower() {
+    assert_eq!(snake_like_no_seperator("".to_owned(), &'C', "lower"), "c".to_string())
+}
+
+#[test]
+fn snake_like_no_seperator_upper() {
+    assert_eq!(snake_like_no_seperator("".to_owned(), &'c', "upper"), "C".to_string())
+}
+
+#[test]
+fn requires_seperator_upper_not_first_wrap_is_safe_current_upper() {
+    assert_eq!(requires_seperator((2, 'C'), false, "test"), true)
+}
+
+#[test]
+fn requires_seperator_upper_not_first_wrap_is_safe_current_lower() {
+    assert_eq!(requires_seperator((2, 'c'), false, "test"), false)
+}
+
+#[test]
+fn requires_seperator_upper_first_wrap_is_safe_current_upper() {
+    assert_eq!(requires_seperator((0, 'T'), true, "Test"), false)
+}
+
+#[test]
+fn requires_seperator_upper_first_wrap_is_safe_current_lower() {
+    assert_eq!(requires_seperator((0, 't'), true, "Test"), false)
+}
+
+#[test]
+fn requires_seperator_upper_first_wrap_is_safe_current_lower_next_is_too() {
+    assert_eq!(requires_seperator((0, 't'), true, "test"), false)
+}
+
+#[test]
+fn test_char_is_seperator_dash() {
+    assert_eq!(char_is_seperator(&'-'), true)
+}
+
+#[test]
+fn test_char_is_seperator_underscore() {
+    assert_eq!(char_is_seperator(&'_'), true)
+}
+
+#[test]
+fn test_char_is_seperator_space() {
+    assert_eq!(char_is_seperator(&' '), true)
+}
+
+#[test]
+fn test_char_is_seperator_when_not() {
+    assert_eq!(char_is_seperator(&'A'), false)
+}
+
+#[test]
+fn test_last_char_lower_current_is_upper_or_new_word_with_new_word() {
+    assert_eq!(last_char_lower_current_is_upper_or_new_word(true, ' ', '-'), true)
+}
+
+#[test]
+fn test_last_char_lower_current_is_upper_or_new_word_last_char_space() {
+    assert_eq!(last_char_lower_current_is_upper_or_new_word(false, ' ', '-'), false)
+}
+
+#[test]
+fn test_last_char_lower_current_is_upper_or_new_word_last_char_lower_current_upper() {
+    assert_eq!(last_char_lower_current_is_upper_or_new_word(false, 'a', 'A'), true)
+}
+
+#[test]
+fn test_last_char_lower_current_is_upper_or_new_word_last_char_upper_current_upper() {
+    assert_eq!(last_char_lower_current_is_upper_or_new_word(false, 'A', 'A'), false)
+}
+
+#[test]
+fn test_last_char_lower_current_is_upper_or_new_word_last_char_upper_current_lower() {
+    assert_eq!(last_char_lower_current_is_upper_or_new_word(false, 'A', 'a'), false)
+}
+
+#[test]
+fn test_first_word_or_not_inverted_with_first_word() {
+    assert_eq!(first_word_or_not_inverted(true, false), true)
+}
+
+#[test]
+fn test_first_word_or_not_inverted_not_first_word_not_inverted() {
+    assert_eq!(first_word_or_not_inverted(false, false), true)
+}
+
+#[test]
+fn test_first_word_or_not_inverted_not_first_word_is_inverted() {
+    assert_eq!(first_word_or_not_inverted(false, true), false)
+}
+
+#[test]
+fn test_not_first_word_and_has_seperator_is_first_and_not_seperator() {
+    assert_eq!(not_first_word_and_has_seperator(true, false), false)
+}
+
+#[test]
+fn test_not_first_word_and_has_seperator_not_first_and_not_seperator() {
+    assert_eq!(not_first_word_and_has_seperator(false, false), false)
+}
+
+#[test]
+fn test_not_first_word_and_has_seperator_not_first_and_has_seperator() {
+    assert_eq!(not_first_word_and_has_seperator(false, true), true)
+}
diff --git a/third_party/rust/Inflector/src/cases/classcase/mod.rs b/third_party/rust/Inflector/src/cases/classcase/mod.rs
new file mode 100644
index 0000000000..e0b6ef6f48
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/classcase/mod.rs
@@ -0,0 +1,393 @@
+#![deny(warnings)]
+use cases::case::*;
+#[cfg(feature = "heavyweight")]
+use string::singularize::to_singular;
+#[cfg(feature = "heavyweight")]
+/// Converts a `&str` to `ClassCase` `String`
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "FooBars";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "Foo Bar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "foo-bar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "FOO_BAR";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "foo_bars";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::to_class_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_class_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_class_case(non_class_case_string: &str) -> String {
+    let options = CamelOptions {
+        new_word: true,
+        last_char: ' ',
+        first_word: false,
+        injectable_char: ' ',
+        has_seperator: false,
+        inverted: false,
+    };
+    let class_plural = to_case_camel_like(non_class_case_string, options);
+    let split: (&str, &str) =
+        class_plural.split_at(class_plural.rfind(char::is_uppercase).unwrap_or(0));
+    format!("{}{}", split.0, to_singular(split.1))
+}
+
+#[cfg(feature = "heavyweight")]
+/// Determines if a `&str` is `ClassCase` `bool`
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "Foo";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "foo";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongStrings";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "foo_bar_is_a_really_really_long_strings";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::classcase::is_class_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_class_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+pub fn is_class_case(test_string: &str) -> bool {
+    to_class_case(&test_string.clone()) == test_string
+}
+
+#[cfg(all(feature = "unstable", test))]
+#[cfg(feature = "heavyweight")]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_class_case(b: &mut Bencher) {
+        b.iter(|| super::to_class_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_is_class(b: &mut Bencher) {
+        b.iter(|| super::is_class_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_class_from_snake(b: &mut Bencher) {
+        b.iter(|| super::to_class_case("foo_bar"));
+    }
+}
+
+#[cfg(test)]
+#[cfg(feature = "heavyweight")]
+mod tests {
+    use ::to_class_case;
+    use ::is_class_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_class_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_table_case() {
+        let convertable_string: String = "foo_bars".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_case_with_loads_of_space() {
+        let convertable_string: String = "foo           bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn a_name_with_a_dot() {
+        let convertable_string: String = "Robert C. Martin".to_owned();
+        let expected: String = "RobertCMartin".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn random_text_with_bad_chars() {
+        let convertable_string: String = "Random text with *(bad) chars".to_owned();
+        let expected: String = "RandomTextWithBadChar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn trailing_bad_chars() {
+        let convertable_string: String = "trailing bad_chars*(()())".to_owned();
+        let expected: String = "TrailingBadChar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn leading_bad_chars() {
+        let convertable_string: String = "-!#$%leading bad chars".to_owned();
+        let expected: String = "LeadingBadChar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn wrapped_in_bad_chars() {
+        let convertable_string: String = "-!#$%wrapped in bad chars&*^*&(&*^&(<><?>><?><>))".to_owned();
+        let expected: String = "WrappedInBadChar".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn has_a_sign() {
+        let convertable_string: String = "has a + sign".to_owned();
+        let expected: String = "HasASign".to_owned();
+        assert_eq!(to_class_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_class_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_class_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_class_case(&convertable_string), true)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_class_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_class_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_class_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_class_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_class_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_class_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_table_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_class_case(&convertable_string), true)
+    }
+}
+
diff --git a/third_party/rust/Inflector/src/cases/kebabcase/mod.rs b/third_party/rust/Inflector/src/cases/kebabcase/mod.rs
new file mode 100644
index 0000000000..d79f27362a
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/kebabcase/mod.rs
@@ -0,0 +1,262 @@
+#![deny(warnings)]
+use cases::case::*;
+/// Determines if a `&str` is `kebab-case`
+///
+/// ```
+///     use inflector::cases::kebabcase::is_kebab_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_kebab_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::is_kebab_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_kebab_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::is_kebab_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_kebab_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::is_kebab_case;
+///     let mock_string: &str = "FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_kebab_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::is_kebab_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_kebab_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::is_kebab_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_kebab_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::is_kebab_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_kebab_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+pub fn is_kebab_case(test_string: &str) -> bool {
+    test_string == to_kebab_case(test_string.clone())
+}
+
+/// Converts a `&str` to `kebab-case` `String`
+///
+/// ```
+///     use inflector::cases::kebabcase::to_kebab_case;
+///     let mock_string: &str = "foo-bar";
+///     let expected_string: String = "foo-bar".to_string();
+///     let asserted_string: String = to_kebab_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::to_kebab_case;
+///     let mock_string: &str = "FOO_BAR";
+///     let expected_string: String = "foo-bar".to_string();
+///     let asserted_string: String = to_kebab_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::to_kebab_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "foo-bar".to_string();
+///     let asserted_string: String = to_kebab_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::to_kebab_case;
+///     let mock_string: &str = "Foo Bar";
+///     let expected_string: String = "foo-bar".to_string();
+///     let asserted_string: String = to_kebab_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::to_kebab_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "foo-bar".to_string();
+///     let asserted_string: String = to_kebab_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::to_kebab_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "foo-bar".to_string();
+///     let asserted_string: String = to_kebab_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::kebabcase::to_kebab_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "foo-bar".to_string();
+///     let asserted_string: String = to_kebab_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_kebab_case(non_kebab_case_string: &str) -> String {
+    to_case_snake_like(non_kebab_case_string, "-", "lower")
+}
+
+#[cfg(all(feature = "unstable", test))]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_kebab(b: &mut Bencher) {
+        b.iter(|| super::to_kebab_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_is_kebab(b: &mut Bencher) {
+        b.iter(|| super::is_kebab_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_kebab_from_snake(b: &mut Bencher) {
+        b.iter(|| super::to_kebab_case("test_test_test"));
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use ::to_kebab_case;
+    use ::is_kebab_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "foo-bar".to_owned();
+        assert_eq!(to_kebab_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "foo-bar".to_owned();
+        assert_eq!(to_kebab_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "foo-bar".to_owned();
+        assert_eq!(to_kebab_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "foo-bar".to_owned();
+        assert_eq!(to_kebab_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "foo-bar".to_owned();
+        assert_eq!(to_kebab_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "foo-bar".to_owned();
+        assert_eq!(to_kebab_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "foo-bar".to_owned();
+        assert_eq!(to_kebab_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "foo-bar".to_owned();
+        assert_eq!(to_kebab_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_kebab_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_kebab_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_kebab_case(&convertable_string), true)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_kebab_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_kebab_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_kebab_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_kebab_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_kebab_case(&convertable_string), false)
+    }
+}
+
diff --git a/third_party/rust/Inflector/src/cases/mod.rs b/third_party/rust/Inflector/src/cases/mod.rs
new file mode 100644
index 0000000000..dfa772e801
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/mod.rs
@@ -0,0 +1,52 @@
+mod case;
+/// Provides conversion to and detection of class case strings.
+///
+/// This version singularizes strings.
+///
+/// Example string `ClassCase`
+pub mod classcase;
+
+/// Provides conversion to and detection of camel case strings.
+///
+/// Example string `camelCase`
+pub mod camelcase;
+
+/// Provides conversion to and detection of snake case strings.
+///
+/// Example string `snake_case`
+pub mod snakecase;
+
+/// Provides conversion to and detection of screaming snake case strings.
+///
+/// Example string `SCREAMING_SNAKE_CASE`
+pub mod screamingsnakecase;
+
+/// Provides conversion to and detection of kebab case strings.
+///
+/// Example string `kebab-case`
+pub mod kebabcase;
+
+/// Provides conversion to and detection of train case strings.
+///
+/// Example string `Train-Case`
+pub mod traincase;
+
+/// Provides conversion to and detection of sentence case strings.
+///
+/// Example string `Sentence case`
+pub mod sentencecase;
+
+/// Provides conversion to and detection of title case strings.
+///
+/// Example string `Title Case`
+pub mod titlecase;
+
+/// Provides conversion to and detection of table case strings.
+///
+/// Example string `table_cases`
+pub mod tablecase;
+
+/// Provides conversion to pascal case strings.
+///
+/// Example string `PascalCase`
+pub mod pascalcase;
diff --git a/third_party/rust/Inflector/src/cases/pascalcase/mod.rs b/third_party/rust/Inflector/src/cases/pascalcase/mod.rs
new file mode 100644
index 0000000000..248f91ab43
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/pascalcase/mod.rs
@@ -0,0 +1,360 @@
+#![deny(warnings)]
+use cases::case::*;
+/// Converts a `&str` to pascalCase `String`
+///
+/// ```
+///     use inflector::cases::pascalcase::to_pascal_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_pascal_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::to_pascal_case;
+///     let mock_string: &str = "FOO_BAR";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_pascal_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::to_pascal_case;
+///     let mock_string: &str = "Foo Bar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_pascal_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::to_pascal_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_pascal_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::to_pascal_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_pascal_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::to_pascal_case;
+///     let mock_string: &str = "foo-bar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_pascal_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::to_pascal_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "FooBar".to_string();
+///     let asserted_string: String = to_pascal_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::to_pascal_case;
+///     let mock_string: &str = "FooBar3";
+///     let expected_string: String = "FooBar3".to_string();
+///     let asserted_string: String = to_pascal_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_pascal_case(non_pascalized_string: &str) -> String {
+    let options = CamelOptions {
+        new_word: true,
+        last_char: ' ',
+        first_word: false,
+        injectable_char: ' ',
+        has_seperator: false,
+        inverted: false,
+    };
+    to_case_camel_like(non_pascalized_string, options)
+}
+
+/// Determines if a `&str` is pascalCase bool``
+///
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "Foo";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "foo";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "FooBarIsAReallyReally3LongString";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+///
+/// ```
+/// ```
+///     use inflector::cases::pascalcase::is_pascal_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_pascal_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+pub fn is_pascal_case(test_string: &str) -> bool {
+    to_pascal_case(test_string.clone()) == test_string
+}
+
+#[cfg(all(feature = "unstable", test))]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_pascal0(b: &mut Bencher) {
+        b.iter(|| {
+            let test_string = "Foo bar";
+            super::to_pascal_case(test_string)
+        });
+    }
+
+    #[bench]
+    fn bench_pascal1(b: &mut Bencher) {
+        b.iter(|| {
+            let test_string = "foo_bar";
+            super::to_pascal_case(test_string)
+        });
+    }
+
+    #[bench]
+    fn bench_pascal2(b: &mut Bencher) {
+        b.iter(|| {
+            let test_string = "fooBar";
+            super::to_pascal_case(test_string)
+        });
+    }
+
+    #[bench]
+    fn bench_is_pascal(b: &mut Bencher) {
+        b.iter(|| {
+            let test_string: &str = "Foo bar";
+            super::is_pascal_case(test_string)
+        });
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use ::to_pascal_case;
+    use ::is_pascal_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_case_with_loads_of_space() {
+        let convertable_string: String = "foo           bar".to_owned();
+        let expected: String = "FooBar".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn a_name_with_a_dot() {
+        let convertable_string: String = "Robert C. Martin".to_owned();
+        let expected: String = "RobertCMartin".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn random_text_with_bad_chars() {
+        let convertable_string: String = "Random text with *(bad) chars".to_owned();
+        let expected: String = "RandomTextWithBadChars".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn trailing_bad_chars() {
+        let convertable_string: String = "trailing bad_chars*(()())".to_owned();
+        let expected: String = "TrailingBadChars".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn leading_bad_chars() {
+        let convertable_string: String = "-!#$%leading bad chars".to_owned();
+        let expected: String = "LeadingBadChars".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn wrapped_in_bad_chars() {
+        let convertable_string: String = "-!#$%wrapped in bad chars&*^*&(&*^&(<><?>><?><>))".to_owned();
+        let expected: String = "WrappedInBadChars".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn has_a_sign() {
+        let convertable_string: String = "has a + sign".to_owned();
+        let expected: String = "HasASign".to_owned();
+        assert_eq!(to_pascal_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_pascal_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_pascal_case(&convertable_string), true)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_pascal_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_pascal_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_pascal_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_pascal_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_pascal_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_pascal_case(&convertable_string), false)
+    }
+}
diff --git a/third_party/rust/Inflector/src/cases/screamingsnakecase/mod.rs b/third_party/rust/Inflector/src/cases/screamingsnakecase/mod.rs
new file mode 100644
index 0000000000..9bec7a5536
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/screamingsnakecase/mod.rs
@@ -0,0 +1,253 @@
+#![deny(warnings)]
+use cases::case::*;
+/// Converts a `&str` to `SCREAMING_SNAKE_CASE` `String`
+///
+/// ```
+///     use inflector::cases::screamingsnakecase::to_screaming_snake_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "FOO_BAR".to_string();
+///     let asserted_string: String = to_screaming_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::to_screaming_snake_case;
+///     let mock_string: &str = "HTTP Foo bar";
+///     let expected_string: String = "HTTP_FOO_BAR".to_string();
+///     let asserted_string: String = to_screaming_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::to_screaming_snake_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "FOO_BAR".to_string();
+///     let asserted_string: String = to_screaming_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::to_screaming_snake_case;
+///     let mock_string: &str = "Foo Bar";
+///     let expected_string: String = "FOO_BAR".to_string();
+///     let asserted_string: String = to_screaming_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::to_screaming_snake_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "FOO_BAR".to_string();
+///     let asserted_string: String = to_screaming_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::to_screaming_snake_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "FOO_BAR".to_string();
+///     let asserted_string: String = to_screaming_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::to_screaming_snake_case;
+///     let mock_string: &str = "fooBar3";
+///     let expected_string: String = "FOO_BAR_3".to_string();
+///     let asserted_string: String = to_screaming_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_screaming_snake_case(non_snake_case_string: &str) -> String {
+    to_case_snake_like(non_snake_case_string, "_", "upper")
+}
+
+/// Determines of a `&str` is `SCREAMING_SNAKE_CASE`
+///
+/// ```
+///     use inflector::cases::screamingsnakecase::is_screaming_snake_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_screaming_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::is_screaming_snake_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_screaming_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::is_screaming_snake_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_screaming_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::is_screaming_snake_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_screaming_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::is_screaming_snake_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_screaming_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::is_screaming_snake_case;
+///     let mock_string: &str = "FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_screaming_snake_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::is_screaming_snake_case;
+///     let mock_string: &str = "FOO_BAR1_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_screaming_snake_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+/// ```
+///     use inflector::cases::screamingsnakecase::is_screaming_snake_case;
+///     let mock_string: &str = "FOO_BAR_1_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_screaming_snake_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+pub fn is_screaming_snake_case(test_string: &str) -> bool {
+    test_string == to_screaming_snake_case(test_string.clone())
+}
+
+
+#[cfg(all(feature = "unstable", test))]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_screaming_snake(b: &mut Bencher) {
+        b.iter(|| super::to_screaming_snake_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_is_screaming_snake(b: &mut Bencher) {
+        b.iter(|| super::is_screaming_snake_case("Foo bar"));
+    }
+
+}
+
+#[cfg(test)]
+mod tests {
+    use ::to_screaming_snake_case;
+    use ::is_screaming_snake_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "FOO_BAR".to_owned();
+        assert_eq!(to_screaming_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "FOO_BAR".to_owned();
+        assert_eq!(to_screaming_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "FOO_BAR".to_owned();
+        assert_eq!(to_screaming_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "FOO_BAR".to_owned();
+        assert_eq!(to_screaming_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "FOO_BAR".to_owned();
+        assert_eq!(to_screaming_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "FOO_BAR".to_owned();
+        assert_eq!(to_screaming_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "FOO_BAR".to_owned();
+        assert_eq!(to_screaming_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "FOO_BAR".to_owned();
+        assert_eq!(to_screaming_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_screaming_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_screaming_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_screaming_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_screaming_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_screaming_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_screaming_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_screaming_snake_case(&convertable_string), true)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_screaming_snake_case(&convertable_string), false)
+    }
+}
diff --git a/third_party/rust/Inflector/src/cases/sentencecase/mod.rs b/third_party/rust/Inflector/src/cases/sentencecase/mod.rs
new file mode 100644
index 0000000000..5a99d217f4
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/sentencecase/mod.rs
@@ -0,0 +1,313 @@
+#![deny(warnings)]
+use cases::case::*;
+/// Converts a `&str` to `Sentence case` `String`
+///
+/// ```
+///     use inflector::cases::sentencecase::to_sentence_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "Foo bar".to_string();
+///     let asserted_string: String = to_sentence_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::to_sentence_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "Foo bar".to_string();
+///     let asserted_string: String = to_sentence_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::to_sentence_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "Foo bar".to_string();
+///     let asserted_string: String = to_sentence_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::to_sentence_case;
+///     let mock_string: &str = "FOO_BAR";
+///     let expected_string: String = "Foo bar".to_string();
+///     let asserted_string: String = to_sentence_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::to_sentence_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "Foo bar".to_string();
+///     let asserted_string: String = to_sentence_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::to_sentence_case;
+///     let mock_string: &str = "foo-bar";
+///     let expected_string: String = "Foo bar".to_string();
+///     let asserted_string: String = to_sentence_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_sentence_case(non_sentence_case_string: &str) -> String {
+    let options = CamelOptions {
+        new_word: true,
+        last_char: ' ',
+        first_word: true,
+        injectable_char: ' ',
+        has_seperator: true,
+        inverted: true,
+    };
+    to_case_camel_like(non_sentence_case_string, options)
+}
+/// Determines of a `&str` is `Sentence case`
+///
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "Foo";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "foo";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::sentencecase::is_sentence_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_sentence_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+pub fn is_sentence_case(test_string: &str) -> bool {
+    test_string == to_sentence_case(test_string.clone())
+}
+
+#[cfg(all(feature = "unstable", test))]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_sentence(b: &mut Bencher) {
+        b.iter(|| super::to_sentence_case("Foo BAR"));
+    }
+
+    #[bench]
+    fn bench_is_sentence(b: &mut Bencher) {
+        b.iter(|| super::is_sentence_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_sentence_from_snake(b: &mut Bencher) {
+        b.iter(|| super::to_sentence_case("foo_bar"));
+    }
+
+}
+
+#[cfg(test)]
+mod tests {
+    use ::to_sentence_case;
+    use ::is_sentence_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_case_with_loads_of_space() {
+        let convertable_string: String = "foo           bar".to_owned();
+        let expected: String = "Foo bar".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn a_name_with_a_dot() {
+        let convertable_string: String = "Robert C. Martin".to_owned();
+        let expected: String = "Robert c martin".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn random_text_with_bad_chars() {
+        let convertable_string: String = "Random text with *(bad) chars".to_owned();
+        let expected: String = "Random text with bad chars".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn trailing_bad_chars() {
+        let convertable_string: String = "trailing bad_chars*(()())".to_owned();
+        let expected: String = "Trailing bad chars".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn leading_bad_chars() {
+        let convertable_string: String = "-!#$%leading bad chars".to_owned();
+        let expected: String = "Leading bad chars".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn wrapped_in_bad_chars() {
+        let convertable_string: String = "-!#$%wrapped in bad chars&*^*&(&*^&(<><?>><?><>))".to_owned();
+        let expected: String = "Wrapped in bad chars".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn has_a_sign() {
+        let convertable_string: String = "has a + sign".to_owned();
+        let expected: String = "Has a sign".to_owned();
+        assert_eq!(to_sentence_case(&convertable_string), expected)
+    }
+
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_sentence_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_sentence_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_sentence_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_sentence_case(&convertable_string), true)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_sentence_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_sentence_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_sentence_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_sentence_case(&convertable_string), false)
+    }
+}
diff --git a/third_party/rust/Inflector/src/cases/snakecase/mod.rs b/third_party/rust/Inflector/src/cases/snakecase/mod.rs
new file mode 100644
index 0000000000..a56894b1a1
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/snakecase/mod.rs
@@ -0,0 +1,334 @@
+#![deny(warnings)]
+use cases::case::*;
+/// Converts a `&str` to `snake_case` `String`
+///
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "foo_bar".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "HTTP Foo bar";
+///     let expected_string: String = "http_foo_bar".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "HTTPFooBar";
+///     let expected_string: String = "http_foo_bar".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "foo_bar".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "Foo Bar";
+///     let expected_string: String = "foo_bar".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "foo_bar".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "FOO_BAR";
+///     let expected_string: String = "foo_bar".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "foo_bar".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::to_snake_case;
+///     let mock_string: &str = "fooBar3";
+///     let expected_string: String = "foo_bar_3".to_string();
+///     let asserted_string: String = to_snake_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_snake_case(non_snake_case_string: &str) -> String {
+    to_case_snake_like(non_snake_case_string, "_", "lower")
+}
+
+/// Determines of a `&str` is `snake_case`
+///
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "FOO_BAR_IS_A_REALLY_REALLY_LONG_STRING";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "foo_bar1_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::snakecase::is_snake_case;
+///     let mock_string: &str = "foo_bar_1_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_snake_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+pub fn is_snake_case(test_string: &str) -> bool {
+    test_string == to_snake_case(test_string.clone())
+}
+
+#[cfg(all(feature = "unstable", test))]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_snake_from_title(b: &mut Bencher) {
+        b.iter(|| super::to_snake_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_snake_from_camel(b: &mut Bencher) {
+        b.iter(|| super::to_snake_case("fooBar"));
+    }
+
+    #[bench]
+    fn bench_snake_from_snake(b: &mut Bencher) {
+        b.iter(|| super::to_snake_case("foo_bar_bar_bar"));
+    }
+
+    #[bench]
+    fn bench_is_snake(b: &mut Bencher) {
+        b.iter(|| super::is_snake_case("Foo bar"));
+    }
+
+}
+
+#[cfg(test)]
+mod tests {
+    use ::to_snake_case;
+    use ::is_snake_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_case_with_loads_of_space() {
+        let convertable_string: String = "foo           bar".to_owned();
+        let expected: String = "foo_bar".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn a_name_with_a_dot() {
+        let convertable_string: String = "Robert C. Martin".to_owned();
+        let expected: String = "robert_c_martin".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn random_text_with_bad_chars() {
+        let convertable_string: String = "Random text with *(bad) chars".to_owned();
+        let expected: String = "random_text_with_bad_chars".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn trailing_bad_chars() {
+        let convertable_string: String = "trailing bad_chars*(()())".to_owned();
+        let expected: String = "trailing_bad_chars".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn leading_bad_chars() {
+        let convertable_string: String = "-!#$%leading bad chars".to_owned();
+        let expected: String = "leading_bad_chars".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn wrapped_in_bad_chars() {
+        let convertable_string: String = "-!#$%wrapped in bad chars&*^*&(&*^&(<><?>><?><>))".to_owned();
+        let expected: String = "wrapped_in_bad_chars".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn has_a_sign() {
+        let convertable_string: String = "has a + sign".to_owned();
+        let expected: String = "has_a_sign".to_owned();
+        assert_eq!(to_snake_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_snake_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_snake_case(&convertable_string), true)
+    }
+}
diff --git a/third_party/rust/Inflector/src/cases/tablecase/mod.rs b/third_party/rust/Inflector/src/cases/tablecase/mod.rs
new file mode 100644
index 0000000000..7224cc439b
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/tablecase/mod.rs
@@ -0,0 +1,271 @@
+#![deny(warnings)]
+#[cfg(feature = "heavyweight")]
+use string::pluralize::to_plural;
+#[cfg(feature = "heavyweight")]
+use cases::case::*;
+#[cfg(feature = "heavyweight")]
+/// Converts a `&str` to `table-case` `String`
+///
+/// ```
+/// use inflector::cases::tablecase::to_table_case;
+/// let mock_string: &str = "foo-bar";
+/// let expected_string: String = "foo_bars".to_string();
+/// let asserted_string: String = to_table_case(mock_string);
+/// assert!(asserted_string == expected_string);
+/// ```
+///
+/// ```
+/// use inflector::cases::tablecase::to_table_case;
+/// let mock_string: &str = "FOO_BAR";
+/// let expected_string: String = "foo_bars".to_string();
+/// let asserted_string: String = to_table_case(mock_string);
+/// assert!(asserted_string == expected_string);
+/// ```
+///
+/// ```
+/// use inflector::cases::tablecase::to_table_case;
+/// let mock_string: &str = "foo_bar";
+/// let expected_string: String = "foo_bars".to_string();
+/// let asserted_string: String = to_table_case(mock_string);
+/// assert!(asserted_string == expected_string);
+/// ```
+///
+/// ```
+/// use inflector::cases::tablecase::to_table_case;
+/// let mock_string: &str = "Foo Bar";
+/// let expected_string: String = "foo_bars".to_string();
+/// let asserted_string: String = to_table_case(mock_string);
+/// assert!(asserted_string == expected_string);
+/// ```
+///
+/// ```
+/// use inflector::cases::tablecase::to_table_case;
+/// let mock_string: &str = "Foo bar";
+/// let expected_string: String = "foo_bars".to_string();
+/// let asserted_string: String = to_table_case(mock_string);
+/// assert!(asserted_string == expected_string);
+/// ```
+///
+/// ```
+/// use inflector::cases::tablecase::to_table_case;
+/// let mock_string: &str = "FooBar";
+/// let expected_string: String = "foo_bars".to_string();
+/// let asserted_string: String = to_table_case(mock_string);
+/// assert!(asserted_string == expected_string);
+/// ```
+///
+/// ```
+/// use inflector::cases::tablecase::to_table_case;
+/// let mock_string: &str = "fooBar";
+/// let expected_string: String = "foo_bars".to_string();
+/// let asserted_string: String = to_table_case(mock_string);
+/// assert!(asserted_string == expected_string);
+/// ```
+pub fn to_table_case(non_table_case_string: &str) -> String {
+    let snaked: String = to_case_snake_like(non_table_case_string, "_", "lower");
+    let split: (&str, &str) = snaked.split_at(snaked.rfind('_').unwrap_or(0));
+    format!("{}{}", split.0, to_plural(split.1))
+}
+
+#[cfg(feature = "heavyweight")]
+/// Determines if a `&str` is `table-case`
+///
+/// ```
+///     use inflector::cases::tablecase::is_table_case;
+///     let mock_string: &str = "foo_bar_strings";
+///     let asserted_bool: bool = is_table_case(mock_string);
+///     assert!(asserted_bool == true);
+/// ```
+///
+/// ```
+///     use inflector::cases::tablecase::is_table_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_table_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+///
+/// ```
+///     use inflector::cases::tablecase::is_table_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_table_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+///
+/// ```
+///     use inflector::cases::tablecase::is_table_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_table_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+///
+/// ```
+///     use inflector::cases::tablecase::is_table_case;
+///     let mock_string: &str = "FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_table_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+///
+/// ```
+///     use inflector::cases::tablecase::is_table_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_table_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+///
+/// ```
+///     use inflector::cases::tablecase::is_table_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_table_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+///
+/// ```
+///     use inflector::cases::tablecase::is_table_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_table_case(mock_string);
+///     assert!(asserted_bool == false);
+/// ```
+pub fn is_table_case(test_string: &str) -> bool {
+     to_table_case(&test_string.clone()) == test_string
+}
+
+#[cfg(all(feature = "unstable", test))]
+#[cfg(feature = "heavyweight")]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_table_case(b: &mut Bencher) {
+        b.iter(|| super::to_table_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_is_table_case(b: &mut Bencher) {
+        b.iter(|| super::is_table_case("Foo bar"));
+    }
+}
+
+#[cfg(test)]
+#[cfg(feature = "heavyweight")]
+mod tests {
+    use ::to_table_case;
+    use ::is_table_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_table_case() {
+        let convertable_string: String = "foo_bars".to_owned();
+        let expected: String = "foo_bars".to_owned();
+        assert_eq!(to_table_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_table_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_table_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_table_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_table_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_table_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_table_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_table_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_table_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_table_case() {
+        let convertable_string: String = "foo_bars".to_owned();
+        assert_eq!(is_table_case(&convertable_string), true)
+    }
+}
diff --git a/third_party/rust/Inflector/src/cases/titlecase/mod.rs b/third_party/rust/Inflector/src/cases/titlecase/mod.rs
new file mode 100644
index 0000000000..eb0de25744
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/titlecase/mod.rs
@@ -0,0 +1,308 @@
+#![deny(warnings)]
+use cases::case::*;
+/// Converts a `&str` to `Title Case` `String`
+///
+/// ```
+///     use inflector::cases::titlecase::to_title_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "Foo Bar".to_string();
+///     let asserted_string: String = to_title_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::to_title_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "Foo Bar".to_string();
+///     let asserted_string: String = to_title_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::to_title_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "Foo Bar".to_string();
+///     let asserted_string: String = to_title_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::to_title_case;
+///     let mock_string: &str = "FOO_BAR";
+///     let expected_string: String = "Foo Bar".to_string();
+///     let asserted_string: String = to_title_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::to_title_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "Foo Bar".to_string();
+///     let asserted_string: String = to_title_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::to_title_case;
+///     let mock_string: &str = "foo-bar";
+///     let expected_string: String = "Foo Bar".to_string();
+///     let asserted_string: String = to_title_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_title_case(non_title_case_string: &str) -> String {
+    let options = CamelOptions {
+        new_word: true,
+        last_char: ' ',
+        first_word: true,
+        injectable_char: ' ',
+        has_seperator: true,
+        inverted: false,
+    };
+    to_case_camel_like(non_title_case_string, options)
+}
+
+/// Determines if a `&str` is `Title Case`
+///
+/// ```
+///     use inflector::cases::titlecase::is_title_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_title_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::is_title_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_title_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::is_title_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_title_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::is_title_case;
+///     let mock_string: &str = "FOO_BAR_STRING_THAT_IS_REALLY_REALLY_LONG";
+///     let asserted_bool: bool = is_title_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::is_title_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_title_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::is_title_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_title_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::is_title_case;
+///     let mock_string: &str = "foo";
+///     let asserted_bool: bool = is_title_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+/// ```
+///     use inflector::cases::titlecase::is_title_case;
+///     let mock_string: &str = "Foo Bar String That Is Really Really Long";
+///     let asserted_bool: bool = is_title_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+pub fn is_title_case(test_string: &str) -> bool {
+    test_string == to_title_case(test_string.clone())
+}
+
+#[cfg(all(feature = "unstable", test))]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_title(b: &mut Bencher) {
+        b.iter(|| super::to_title_case("Foo BAR"));
+    }
+
+    #[bench]
+    fn bench_is_title(b: &mut Bencher) {
+        b.iter(|| super::is_title_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_title_from_snake(b: &mut Bencher) {
+        b.iter(|| super::to_title_case("foo_bar"));
+    }
+
+}
+
+
+#[cfg(test)]
+mod tests {
+    use ::to_title_case;
+    use ::is_title_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_case_with_loads_of_space() {
+        let convertable_string: String = "foo           bar".to_owned();
+        let expected: String = "Foo Bar".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn a_name_with_a_dot() {
+        let convertable_string: String = "Robert C. Martin".to_owned();
+        let expected: String = "Robert C Martin".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn random_text_with_bad_chars() {
+        let convertable_string: String = "Random text with *(bad) chars".to_owned();
+        let expected: String = "Random Text With Bad Chars".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn trailing_bad_chars() {
+        let convertable_string: String = "trailing bad_chars*(()())".to_owned();
+        let expected: String = "Trailing Bad Chars".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn leading_bad_chars() {
+        let convertable_string: String = "-!#$%leading bad chars".to_owned();
+        let expected: String = "Leading Bad Chars".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn wrapped_in_bad_chars() {
+        let convertable_string: String = "-!#$%wrapped in bad chars&*^*&(&*^&(<><?>><?><>))".to_owned();
+        let expected: String = "Wrapped In Bad Chars".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn has_a_sign() {
+        let convertable_string: String = "has a + sign".to_owned();
+        let expected: String = "Has A Sign".to_owned();
+        assert_eq!(to_title_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_title_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_title_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_title_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_title_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_title_case(&convertable_string), true)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_title_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_title_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_title_case(&convertable_string), false)
+    }
+}
+
diff --git a/third_party/rust/Inflector/src/cases/traincase/mod.rs b/third_party/rust/Inflector/src/cases/traincase/mod.rs
new file mode 100644
index 0000000000..cb2e882818
--- /dev/null
+++ b/third_party/rust/Inflector/src/cases/traincase/mod.rs
@@ -0,0 +1,320 @@
+#![deny(warnings)]
+use cases::case::*;
+/// Determines if a `&str` is `Train-Case`
+///
+/// ```
+///     use inflector::cases::traincase::is_train_case;
+///     let mock_string: &str = "Foo-Bar-String-That-Is-Really-Really-Long";
+///     let asserted_bool: bool = is_train_case(mock_string);
+///     assert!(asserted_bool == true);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::is_train_case;
+///     let mock_string: &str = "foo-bar-string-that-is-really-really-long";
+///     let asserted_bool: bool = is_train_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::is_train_case;
+///     let mock_string: &str = "FooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_train_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::is_train_case;
+///     let mock_string: &str = "fooBarIsAReallyReallyLongString";
+///     let asserted_bool: bool = is_train_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::is_train_case;
+///     let mock_string: &str = "foo_bar_string_that_is_really_really_long";
+///     let asserted_bool: bool = is_train_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::is_train_case;
+///     let mock_string: &str = "Foo bar string that is really really long";
+///     let asserted_bool: bool = is_train_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::is_train_case;
+///     let mock_string: &str = "Foo Bar Is A Really Really Long String";
+///     let asserted_bool: bool = is_train_case(mock_string);
+///     assert!(asserted_bool == false);
+///
+/// ```
+pub fn is_train_case(test_string: &str) -> bool {
+    test_string == to_train_case(test_string.clone())
+}
+
+
+/// Converts a `&str` to `Train-Case` `String`
+///
+/// ```
+///     use inflector::cases::traincase::to_train_case;
+///     let mock_string: &str = "foo-bar";
+///     let expected_string: String = "Foo-Bar".to_string();
+///     let asserted_string: String = to_train_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::to_train_case;
+///     let mock_string: &str = "FOO_BAR";
+///     let expected_string: String = "Foo-Bar".to_string();
+///     let asserted_string: String = to_train_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::to_train_case;
+///     let mock_string: &str = "foo_bar";
+///     let expected_string: String = "Foo-Bar".to_string();
+///     let asserted_string: String = to_train_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::to_train_case;
+///     let mock_string: &str = "Foo Bar";
+///     let expected_string: String = "Foo-Bar".to_string();
+///     let asserted_string: String = to_train_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::to_train_case;
+///     let mock_string: &str = "Foo bar";
+///     let expected_string: String = "Foo-Bar".to_string();
+///     let asserted_string: String = to_train_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::to_train_case;
+///     let mock_string: &str = "FooBar";
+///     let expected_string: String = "Foo-Bar".to_string();
+///     let asserted_string: String = to_train_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+///
+/// ```
+///     use inflector::cases::traincase::to_train_case;
+///     let mock_string: &str = "fooBar";
+///     let expected_string: String = "Foo-Bar".to_string();
+///     let asserted_string: String = to_train_case(mock_string);
+///     assert!(asserted_string == expected_string);
+///
+/// ```
+pub fn to_train_case(non_train_case_string: &str) -> String {
+    let options = CamelOptions {
+        new_word: true,
+        last_char: ' ',
+        first_word: true,
+        injectable_char: '-',
+        has_seperator: true,
+        inverted: false,
+    };
+    to_case_camel_like(non_train_case_string, options)
+}
+
+#[cfg(all(feature = "unstable", test))]
+mod benchmarks {
+    extern crate test;
+    use self::test::Bencher;
+
+    #[bench]
+    fn bench_train(b: &mut Bencher) {
+        b.iter(|| super::to_train_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_is_train(b: &mut Bencher) {
+        b.iter(|| super::is_train_case("Foo bar"));
+    }
+
+    #[bench]
+    fn bench_train_from_snake(b: &mut Bencher) {
+        b.iter(|| super::to_train_case("test_test_test"));
+    }
+
+}
+
+#[cfg(test)]
+mod tests {
+    use ::to_train_case;
+    use ::is_train_case;
+
+    #[test]
+    fn from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn from_case_with_loads_of_space() {
+        let convertable_string: String = "foo           bar".to_owned();
+        let expected: String = "Foo-Bar".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn a_name_with_a_dot() {
+        let convertable_string: String = "Robert C. Martin".to_owned();
+        let expected: String = "Robert-C-Martin".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn random_text_with_bad_chars() {
+        let convertable_string: String = "Random text with *(bad) chars".to_owned();
+        let expected: String = "Random-Text-With-Bad-Chars".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn trailing_bad_chars() {
+        let convertable_string: String = "trailing bad_chars*(()())".to_owned();
+        let expected: String = "Trailing-Bad-Chars".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn leading_bad_chars() {
+        let convertable_string: String = "-!#$%leading bad chars".to_owned();
+        let expected: String = "Leading-Bad-Chars".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn wrapped_in_bad_chars() {
+        let convertable_string: String = "-!#$%wrapped in bad chars&*^*&(&*^&(<><?>><?><>))".to_owned();
+        let expected: String = "Wrapped-In-Bad-Chars".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn has_a_sign() {
+        let convertable_string: String = "has a + sign".to_owned();
+        let expected: String = "Has-A-Sign".to_owned();
+        assert_eq!(to_train_case(&convertable_string), expected)
+    }
+
+    #[test]
+    fn is_correct_from_camel_case() {
+        let convertable_string: String = "fooBar".to_owned();
+        assert_eq!(is_train_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_pascal_case() {
+        let convertable_string: String = "FooBar".to_owned();
+        assert_eq!(is_train_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_kebab_case() {
+        let convertable_string: String = "foo-bar".to_owned();
+        assert_eq!(is_train_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_sentence_case() {
+        let convertable_string: String = "Foo bar".to_owned();
+        assert_eq!(is_train_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_title_case() {
+        let convertable_string: String = "Foo Bar".to_owned();
+        assert_eq!(is_train_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_train_case() {
+        let convertable_string: String = "Foo-Bar".to_owned();
+        assert_eq!(is_train_case(&convertable_string), true)
+    }
+
+    #[test]
+    fn is_correct_from_screaming_snake_case() {
+        let convertable_string: String = "FOO_BAR".to_owned();
+        assert_eq!(is_train_case(&convertable_string), false)
+    }
+
+    #[test]
+    fn is_correct_from_snake_case() {
+        let convertable_string: String = "foo_bar".to_owned();
+        assert_eq!(is_train_case(&convertable_string), false)
+    }
+}