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| author | Ada Alakbarova <ada.alakbarova@proton.me> | 2025-08-09 19:41:10 +0200 |
|---|---|---|
| committer | Ada Alakbarova <ada.alakbarova@proton.me> | 2025-08-09 19:41:41 +0200 |
| commit | 06e43655bc57359ece7143d5cd31afc3a0744a59 (patch) | |
| tree | 1ea0bfa1307e465ef4c68846ef44054df97c5b93 | |
| parent | c0a3e4802a06dd644c59aa7eed4af4bf437d3853 (diff) | |
`HashMap`: also add "Usage with custom key types" heading
| -rw-r--r-- | library/std/src/collections/hash/map.rs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/library/std/src/collections/hash/map.rs b/library/std/src/collections/hash/map.rs index 0c5d41bcee8..15a7a770d1a 100644 --- a/library/std/src/collections/hash/map.rs +++ b/library/std/src/collections/hash/map.rs @@ -169,6 +169,8 @@ use crate::ops::Index; /// player_stats.entry("mana").and_modify(|mana| *mana += 200).or_insert(100); /// ``` /// +/// ## Usage with custom key types +/// /// The easiest way to use `HashMap` with a custom key type is to derive [`Eq`] and [`Hash`]. /// We must also derive [`PartialEq`]. /// |