Forward ExactSizeIterator::len and is_empty for important iterator adaptors #37944
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@bors: r+ |
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Forward ExactSizeIterator::len and is_empty for important iterator adaptors Forward ExactSizeIterator::len and is_empty for important iterator adaptors Because some iterators will provide improved version of len and/or is_empty, adaptors should forward to those implementations if possible.
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Forward ExactSizeIterator::len and is_empty for important iterator adaptors
Because some iterators will provide improved version of len and/or is_empty,
adaptors should forward to those implementations if possible.