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by Gwypaas
1325 days ago
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Rust uses "shrink_to_fit()". Personally never had to use it, but you always end up scrolling by the backing allocation management for all the standard collections when looking through the docs. > Shrinks the capacity of the map as much as possible. It will drop down as much as possible while maintaining the internal rules and possibly leaving some space in accordance with the resize policy. https://doc.rust-lang.org/std/collections/struct.HashMap.htm... And the docs makes it clear that "clear()" only removes the elements. Giving a hint of where to go next if you stumble upon the issue in the OP. > "Clears the map, removing all key-value pairs. Keeps the allocated memory for reuse." https://doc.rust-lang.org/std/collections/struct.HashMap.htm... |
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