replace .len() == 0 with is_empty()

closes #7198
This commit is contained in:
João Oliveira 2015-08-14 03:55:02 +01:00
parent f5e97ef1b5
commit 9c11781880
20 changed files with 25 additions and 29 deletions

View file

@ -1238,7 +1238,7 @@ impl<'a> ImmutableFlowUtils for &'a (Flow + 'a) {
/// Returns true if this flow has no children.
fn is_leaf(self) -> bool {
base(self).children.len() == 0
base(self).children.is_empty()
}
/// Returns the number of children that this flow possesses.