bjoernager/rust
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also forward Iterator::size_hint()

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This commit is contained in:
Jorge Aparicio 2015-01-20 18:15:28 -05:00
parent 74e111caf6
commit 00cddb068c
2 changed files with 8 additions and 0 deletions
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4
src/liballoc/boxed.rs
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@ -194,6 +194,10 @@ impl<'a, T> Iterator for Box<Iterator<Item=T> + 'a> {
fn next(&mut self) -> Option<T> { fn next(&mut self) -> Option<T> {
(**self).next() (**self).next()
} }
fn size_hint(&self) -> (usize, Option<usize>) {
(**self).size_hint()
}
} }
#[cfg(test)] #[cfg(test)]

4
src/libcore/iter.rs
View file

@ -107,6 +107,10 @@ impl<'a, T> Iterator for &'a mut (Iterator<Item=T> + 'a) {
fn next(&mut self) -> Option<T> { fn next(&mut self) -> Option<T> {
(**self).next() (**self).next()
} }
fn size_hint(&self) -> (usize, Option<usize>) {
(**self).size_hint()
}
} }
/// Conversion from an `Iterator` /// Conversion from an `Iterator`