Revert "Add implementations of last in terms of next_back on a bunch of DoubleEndedIterators."#61057

Merged

bors merged 1 commit intorust-lang:masterfrom sfackler:revert-next-back

May 23, 2019

-159

Commits on May 22, 2019

Revert "Add implementations of last in terms of next_back on a bunch of DoubleEndedIterators."
sfackler
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