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std: Add performance warnings to HashMap::get_disjoint_mut #139307

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Apr 24, 2025
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std: Add performance warnings to HashMap::get_disjoint_mut #139307

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std: Add performance warnings to HashMap::get_disjoint_mut
xizheyin Apr 3, 2025
16381b3
Use `currently` for futher improvement
xizheyin Apr 20, 2025
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3 changes: 3 additions & 0 deletions library/std/src/collections/hash/map.rs
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Expand Up @@ -973,6 +973,9 @@ where
/// Returns an array of length `N` with the results of each query. For soundness, at most one
/// mutable reference will be returned to any value. `None` will be used if the key is missing.
///
/// This method performs a check to ensure there are no duplicate keys, which has time-complexity O(n^2),
/// so be careful when passing many keys.
///
/// # Panics
///
/// Panics if any keys are overlapping.
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