smallint{map,set}: replace iterators with DoubleEndedIterator #7921
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Also changed the tests to iterate over sparse maps/sets.
bors
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Jul 21, 2013
Made the `iter` and `mut_iter` methods on SmallIntMap and SmallIntSet return double-ended-iterators. These iterators now implement `size_hint`. Also the iterator tests only tested dense maps/sets, which aren't very useful. So they were changed to iterate over sparse maps/sets. Fixes #7721
flip1995
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Nov 23, 2021
Fix suggestion for deref expressions in redundant_pattern_matching changelog: Fix suggestion for deref expressions in [`redundant_pattern_matching`] closes: rust-lang#7921
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Made the
iterandmut_itermethods on SmallIntMap and SmallIntSet return double-ended-iterators. These iterators now implementsize_hint.Also the iterator tests only tested dense maps/sets, which aren't very useful. So they were changed to iterate over sparse maps/sets.
Fixes #7721