1 files changed, 47 insertions, 0 deletions
diff --git a/vendor/litemap/examples/language_names_lite_map.rs b/vendor/litemap/examples/language_names_lite_map.rs
new file mode 100644
index 000000000..28b4ee807
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+++ b/vendor/litemap/examples/language_names_lite_map.rs
@@ -0,0 +1,47 @@
+// This file is part of ICU4X. For terms of use, please see the file
+// called LICENSE at the top level of the ICU4X source tree
+// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
+
+// LiteMap is intended as a small and low-memory drop-in replacement for HashMap.
+//
+// The reader may compare this LiteMap example with the HashMap example to see analogous
+// operations between LiteMap and HashMap.
+
+#![no_main] // https://github.com/unicode-org/icu4x/issues/395
+
+icu_benchmark_macros::static_setup!();
+
+use icu_locid::subtags::Language;
+use icu_locid::subtags_language as language;
+use litemap::LiteMap;
+
+const DATA: [(Language, &str); 11] = [
+    (language!("ar"), "Arabic"),
+    (language!("bn"), "Bangla"),
+    (language!("ccp"), "Chakma"),
+    (language!("en"), "English"),
+    (language!("es"), "Spanish"),
+    (language!("fr"), "French"),
+    (language!("ja"), "Japanese"),
+    (language!("ru"), "Russian"),
+    (language!("sr"), "Serbian"),
+    (language!("th"), "Thai"),
+    (language!("tr"), "Turkish"),
+];
+
+#[no_mangle]
+fn main(_argc: isize, _argv: *const *const u8) -> isize {
+    icu_benchmark_macros::main_setup!();
+
+    let mut map = LiteMap::new_vec();
+    // https://github.com/rust-lang/rust/issues/62633 was declined :(
+    for (lang, name) in DATA.iter() {
+        map.try_append(lang, name).ok_or(()).unwrap_err();
+    }
+
+    assert_eq!(11, map.len());
+    assert_eq!(Some(&&"Thai"), map.get(&language!("th")));
+    assert_eq!(None, map.get(&language!("de")));
+
+    0
+}