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Simplify BTreeSet::iter doc example.

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This commit is contained in:
Corey Farwell 2016-12-06 15:44:46 -10:00
parent ae36934047
commit 4c4e8c4af7
1 changed files with 6 additions and 8 deletions
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14
src/libcollections/btree/set.rs
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@ -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> {