BTreeMap: comment why drain_filter's size_hint is somewhat pessimistic#77449

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ssomers:btree_drain_filter_size_hint

Oct 9, 2020

Commits on Oct 2, 2020

BTreeMap: document DrainFilterInner better
ssomers
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Commits on Oct 3, 2020

BTreeMap: comment why drain_filter's size_hint is somewhat pessimistictid
ssomers
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