Add `is_empty` function to `ExactSizeIterator`#34357

Merged

bors merged 4 commits intorust-lang:masterfrom

tbu-:pr_exact_size_is_empty

Jul 19, 2016

Commits on Jun 19, 2016

Commits on Jul 14, 2016

Fix compile-fail test for `ExactSizeIterator::is_empty`
tbu-
committed

Commits on Jul 18, 2016

Fix doctest of `ExactSizeIterator::is_empty`
tbu-
committed