smol-rs
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vec-arena
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Add IntoIterator impls for &Arena and &mut Arena

This commit is contained in:
Stjepan Glavina 2017-07-06 16:12:48 +02:00
parent 452a52641c
commit 46db37bb28
1 changed files with 21 additions and 1 deletions
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22
src/lib.rs
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@ -664,6 +664,16 @@ impl<'a, T> Iterator for Iter<'a, T> {
}
}
impl<'a, T> IntoIterator for &'a Arena<T> {
type Item = (usize, &'a T);
type IntoIter = Iter<'a, T>;
#[inline]
fn into_iter(self) -> Self::IntoIter {
self.iter()
}
}
impl<'a, T> fmt::Debug for Iter<'a, T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "Iter {{ ... }}")
@ -689,6 +699,16 @@ impl<'a, T> Iterator for IterMut<'a, T> {
}
}
impl<'a, T> IntoIterator for &'a mut Arena<T> {
type Item = (usize, &'a mut T);
type IntoIter = IterMut<'a, T>;
#[inline]
fn into_iter(self) -> Self::IntoIter {
self.iter_mut()
}
}
impl<'a, T> fmt::Debug for IterMut<'a, T> {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
write!(f, "IterMut {{ ... }}")
@ -907,7 +927,7 @@ mod tests {
assert_eq!(it.next(), None);
}
for (index, value) in arena.iter_mut() {
for (index, value) in &mut arena {
*value += index;
}