Implement size_hint for more iterators.

```
implement size hint for
more iterators because why
not we like fast things
```
This commit is contained in:
Corey Farwell 2017-09-13 20:23:58 -04:00
parent cad3aff508
commit 9cd4535364
8 changed files with 36 additions and 0 deletions

View file

@ -45,6 +45,10 @@ where
fn next(&mut self) -> Option<Self::Item> {
self.0.next().map(|entry| &entry.sheet)
}
fn size_hint(&self) -> (usize, Option<usize>) {
self.0.size_hint()
}
}
/// The validity of the data in a given cascade origin.