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doc: make into_iter example more concise

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This commit is contained in:
Tshepang Lekhonkhobe 2017-07-24 23:24:42 +02:00
parent a1f180bde3
commit 42dae9d96d
1 changed files with 8 additions and 25 deletions
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33
src/libcore/iter/traits.rs
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@ -147,22 +147,13 @@ pub trait FromIterator<A>: Sized {
///
/// ```
/// let v = vec![1, 2, 3];
///
/// let mut iter = v.into_iter();
///
/// let n = iter.next();
/// assert_eq!(Some(1), n);
///
/// let n = iter.next();
/// assert_eq!(Some(2), n);
///
/// let n = iter.next();
/// assert_eq!(Some(3), n);
///
/// let n = iter.next();
/// assert_eq!(None, n);
/// assert_eq!(Some(1), iter.next());
/// assert_eq!(Some(2), iter.next());
/// assert_eq!(Some(3), iter.next());
/// assert_eq!(None, iter.next());
/// ```
///
/// Implementing `IntoIterator` for your type:
///
/// ```
@ -227,20 +218,12 @@ pub trait IntoIterator {
///
/// ```
/// let v = vec![1, 2, 3];
///
/// let mut iter = v.into_iter();
///
/// let n = iter.next();
/// assert_eq!(Some(1), n);
///
/// let n = iter.next();
/// assert_eq!(Some(2), n);
///
/// let n = iter.next();
/// assert_eq!(Some(3), n);
///
/// let n = iter.next();
/// assert_eq!(None, n);
/// assert_eq!(Some(1), iter.next());
/// assert_eq!(Some(2), iter.next());
/// assert_eq!(Some(3), iter.next());
/// assert_eq!(None, iter.next());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
fn into_iter(self) -> Self::IntoIter;