Add an allocator() getter to HashMap and HashSet#257
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bors merged 1 commit intorust-lang:masterfrom Apr 20, 2021
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As far as I can tell, both HashMap and HashSet are currently missing an API to retrieve the underlying allocator, which makes using them less ergonomic due to the need to plumb it everywhere. Vec and Box have this method, and I couldn't think of anything that would make its presence unsuitable, so this PR adds the getter to the collections.