Implement `SourceIterator` and `InPlaceIterable` for `ResultShunt`#81619

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bors merged 4 commits intorust-lang:masterfrom

SkiFire13:resultshunt-inplace

Apr 4, 2021

Commits on Feb 1, 2021

Commits on Feb 3, 2021

Update test to collect item with a different type than the original vec
SkiFire13
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