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| author | Tyler Mandry <tmandry@gmail.com> | 2019-10-11 15:09:44 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-10-11 15:09:44 -0700 |
| commit | ec1d008f65d559eca3a1dbb062e88dbaae30b8e8 (patch) | |
| tree | 4ec8a9f67eea2599e36d02e21849fc8d57dbab51 /src/libstd | |
| parent | ea0d155f2d0fa8328c93ee7ca52f96ccd764ccf0 (diff) | |
| parent | 00d9db14f74c6b4d532547f7acf38b3538574958 (diff) | |
| download | rust-ec1d008f65d559eca3a1dbb062e88dbaae30b8e8.tar.gz rust-ec1d008f65d559eca3a1dbb062e88dbaae30b8e8.zip | |
Rollup merge of #65048 - Kixunil:patch-1, r=KodrAus
Added doc about behavior of extend on HashMap It was unclear what the implementation does when it encounters existing keys. This change makes it clear by documenting the trait impl.
Diffstat (limited to 'src/libstd')
| -rw-r--r-- | src/libstd/collections/hash/map.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs index fcca112563d..6b0225a1b44 100644 --- a/src/libstd/collections/hash/map.rs +++ b/src/libstd/collections/hash/map.rs @@ -2409,6 +2409,8 @@ where } } +/// Inserts all new key-values from the iterator and replaces values with existing +/// keys with new values returned from the iterator. #[stable(feature = "rust1", since = "1.0.0")] impl<K, V, S> Extend<(K, V)> for HashMap<K, V, S> where |