summaryrefslogtreecommitdiffstats
path: root/vendor/matches/lib.rs
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/matches/lib.rs')
-rw-r--r--vendor/matches/lib.rs128
1 files changed, 0 insertions, 128 deletions
diff --git a/vendor/matches/lib.rs b/vendor/matches/lib.rs
deleted file mode 100644
index 3bcd6e2fe..000000000
--- a/vendor/matches/lib.rs
+++ /dev/null
@@ -1,128 +0,0 @@
-#![no_std]
-
-/// Check if an expression matches a refutable pattern.
-///
-/// Syntax: `matches!(` *expression* `,` *pattern* `)`
-///
-/// Return a boolean, true if the expression matches the pattern, false otherwise.
-///
-/// # Examples
-///
-/// ```
-/// #[macro_use]
-/// extern crate matches;
-///
-/// pub enum Foo<T> {
-/// A,
-/// B(T),
-/// }
-///
-/// impl<T> Foo<T> {
-/// pub fn is_a(&self) -> bool {
-/// matches!(*self, Foo::A)
-/// }
-///
-/// pub fn is_b(&self) -> bool {
-/// matches!(*self, Foo::B(_))
-/// }
-/// }
-///
-/// # fn main() { }
-/// ```
-#[macro_export]
-macro_rules! matches {
- ($expression:expr, $($pattern:tt)+) => {
- match $expression {
- $($pattern)+ => true,
- _ => false
- }
- }
-}
-
-/// Assert that an expression matches a refutable pattern.
-///
-/// Syntax: `assert_matches!(` *expression* `,` *pattern* `)`
-///
-/// Panic with a message that shows the expression if it does not match the
-/// pattern.
-///
-/// # Examples
-///
-/// ```
-/// #[macro_use]
-/// extern crate matches;
-///
-/// fn main() {
-/// let data = [1, 2, 3];
-/// assert_matches!(data.get(1), Some(_));
-/// }
-/// ```
-#[macro_export]
-macro_rules! assert_matches {
- ($expression:expr, $($pattern:tt)+) => {
- match $expression {
- $($pattern)+ => (),
- ref e => panic!("assertion failed: `{:?}` does not match `{}`", e, stringify!($($pattern)+)),
- }
- }
-}
-
-/// Assert that an expression matches a refutable pattern using debug assertions.
-///
-/// Syntax: `debug_assert_matches!(` *expression* `,` *pattern* `)`
-///
-/// If debug assertions are enabled, panic with a message that shows the
-/// expression if it does not match the pattern.
-///
-/// When debug assertions are not enabled, this macro does nothing.
-///
-/// # Examples
-///
-/// ```
-/// #[macro_use]
-/// extern crate matches;
-///
-/// fn main() {
-/// let data = [1, 2, 3];
-/// debug_assert_matches!(data.get(1), Some(_));
-/// }
-/// ```
-#[macro_export]
-macro_rules! debug_assert_matches {
- ($expression:expr, $($pattern:tt)+) => {
- if cfg!(debug_assertions) {
- match $expression {
- $($pattern)+ => (),
- ref e => panic!("assertion failed: `{:?}` does not match `{}`", e, stringify!($($pattern)+)),
- }
- }
- }
-}
-
-#[test]
-fn matches_works() {
- let foo = Some("-12");
- assert!(matches!(foo, Some(bar) if
- matches!(bar.as_bytes()[0], b'+' | b'-') &&
- matches!(bar.as_bytes()[1], b'0'...b'9')
- ));
-}
-
-#[test]
-fn assert_matches_works() {
- let foo = Some("-12");
- assert_matches!(foo, Some(bar) if
- matches!(bar.as_bytes()[0], b'+' | b'-') &&
- matches!(bar.as_bytes()[1], b'0'...b'9')
- );
-}
-
-#[test]
-#[should_panic(expected = "assertion failed: `Some(\"-AB\")` does not match ")]
-fn assert_matches_panics() {
- let foo = Some("-AB");
- assert_matches!(foo, Some(bar) if
- matches!(bar.as_bytes()[0], b'+' | b'-') &&
- matches!(bar.as_bytes()[1], b'0'...b'9')
- );
-}