diff options
| -rw-r--r-- | src/libcollections/btree/set.rs | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/src/libcollections/btree/set.rs b/src/libcollections/btree/set.rs index 91da8e8b079..ffd5d7a9192 100644 --- a/src/libcollections/btree/set.rs +++ b/src/libcollections/btree/set.rs @@ -180,14 +180,12 @@ impl<T> BTreeSet<T> { /// ``` /// use std::collections::BTreeSet; /// - /// let set: BTreeSet<usize> = [1, 2, 3, 4].iter().cloned().collect(); - /// - /// for x in set.iter() { - /// println!("{}", x); - /// } - /// - /// let v: Vec<_> = set.iter().cloned().collect(); - /// assert_eq!(v, [1, 2, 3, 4]); + /// let set: BTreeSet<usize> = [1, 2, 3].iter().cloned().collect(); + /// let mut set_iter = set.iter(); + /// assert_eq!(set_iter.next(), Some(&1)); + /// assert_eq!(set_iter.next(), Some(&2)); + /// assert_eq!(set_iter.next(), Some(&3)); + /// assert_eq!(set_iter.next(), None); /// ``` #[stable(feature = "rust1", since = "1.0.0")] pub fn iter(&self) -> Iter<T> { |