diff options
Diffstat (limited to 'src/libstd/collections/hash')
| -rw-r--r-- | src/libstd/collections/hash/map.rs | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/libstd/collections/hash/map.rs b/src/libstd/collections/hash/map.rs index 586fafc2b4a..7220690469c 100644 --- a/src/libstd/collections/hash/map.rs +++ b/src/libstd/collections/hash/map.rs @@ -1157,9 +1157,10 @@ impl<K, V, S> HashMap<K, V, S> /// /// If the map did not have this key present, `None` is returned. /// - /// If the map did have this key present, the key is not updated, the - /// value is updated and the old value is returned. - /// See the [module-level documentation] for more. + /// If the map did have this key present, the value is updated, and the old + /// value is returned. The key is not updated, though; this matters for + /// types that can be `==` without being identical. See the [module-level + /// documentation] for more. /// /// [module-level documentation]: index.html#insert-and-complex-keys /// |