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Don't create HashMap<K, V> when not needed

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Aaron Hill
2019-04-09 23:36:27 -04:00
parent 48b22b80c5
commit a8763f3d8d
1 changed files with 2 additions and 3 deletions
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tests/run-pass/hashmap.rs
+2 -3
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@@ -27,13 +27,12 @@ fn test_map<S: BuildHasher>(mut map: HashMap<i32, i32, S>) {
}
fn main() {
let _map : HashMap<i32, i32, BuildHasherDefault<collections::hash_map::DefaultHasher>> = Default::default();
// TODO: Implement random number generation on OS X
if cfg!(not(target_os = "macos")) {
let map_normal: HashMap<i32, i32> = HashMap::new();
test_map(map_normal);
} else {
test_map(_map);
let map : HashMap<i32, i32, BuildHasherDefault<collections::hash_map::DefaultHasher>> = Default::default();
test_map(map);
}
}