std.ArrayList: memset to undefined in shrinkRetainingCapacity and clearRetainingCapacity #25810
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…arRetainingCapacity Fixes ziglang#25796
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llogick
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Nov 6, 2025
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| pub fn shrinkRetainingCapacity(self: *Self, new_len: usize) void { | ||
| assert(new_len <= self.items.len); | ||
| self.items.len = new_len; | ||
| @memset(self.items[new_len..], undefined); | ||
| } | ||
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| /// Reduce length to 0. | ||
| /// Invalidates all element pointers. | ||
| pub fn clearRetainingCapacity(self: *Self) void { | ||
| self.items.len = 0; | ||
| @memset(self.items, undefined); |
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... statements are switched around -- you're memsetting 0-len slices
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Fixes #25796