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enhance fetchPut documentation #24268

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enhance fetchPut documentation #24268

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dcf3e32
enhance fetchPut documentation
snirye Jun 25, 2025
8fe10f0
refine comment
snirye Jun 25, 2025
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2 changes: 2 additions & 0 deletions lib/std/hash_map.zig
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Original file line number Diff line number Diff line change
Expand Up @@ -344,11 +344,13 @@ pub fn HashMap(
}

/// Inserts a new `Entry` into the hash map, returning the previous one, if any.
/// If there is a previous Entry, the `key` parameter is not used.
pub fn fetchPut(self: *Self, key: K, value: V) Allocator.Error!?KV {
return self.unmanaged.fetchPutContext(self.allocator, key, value, self.ctx);
}

/// Inserts a new `Entry` into the hash map, returning the previous one, if any.
/// If there is a previous Entry, the `key` parameter is not used.
/// If insertion happens, asserts there is enough capacity without allocating.
pub fn fetchPutAssumeCapacity(self: *Self, key: K, value: V) ?KV {
return self.unmanaged.fetchPutAssumeCapacityContext(key, value, self.ctx);
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