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

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This reverts commit 3e86cf36b5.
This commit is contained in:
Steven Fackler
2019-05-22 14:09:34 -07:00
parent 37ff5d388f
commit 8a22bc3b30
14 changed files with 0 additions and 159 deletions
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6
src/libstd/env.rs
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@@ -746,10 +746,6 @@ impl Iterator for Args {
self.inner.next().map(|s| s.into_string().unwrap())
}
fn size_hint(&self) -> (usize, Option<usize>) { self.inner.size_hint() }
#[inline]
fn last(mut self) -> Option<String> {
self.next_back()
}
}
#[stable(feature = "env", since = "1.0.0")]
@@ -785,8 +781,6 @@ impl Iterator for ArgsOs {
type Item = OsString;
fn next(&mut self) -> Option<OsString> { self.inner.next() }
fn size_hint(&self) -> (usize, Option<usize>) { self.inner.size_hint() }
#[inline]
fn last(mut self) -> Option<OsString> { self.next_back() }
}
#[stable(feature = "env", since = "1.0.0")]