Various additions to core::iter #1826
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This all looks reasonable to me. |
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This adds min, max, reverse, count, and foldr functions to core::iter. foldr is implemented the slow way. I did some experimenting with a riterable interface but ran into some type checking problems.
The only thing interesting here is that I changed the signatures of foldl and foldr to move the accumulator value instead of copying.
@nikomatsakis have a look.