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Rollup merge of #41528 - steveklabnik:gh33269, r=frewsxcv

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Clarify "side effect" in peek's docs

Fixes #33269

/cc @tshepang
This commit is contained in:
Corey Farwell 2017-04-25 23:05:59 -04:00 committed by GitHub
commit 9ae413c386
1 changed files with 3 additions and 2 deletions
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src/libcore/iter/iterator.rs
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@ -629,8 +629,9 @@ pub trait Iterator {
///
/// Note that the underlying iterator is still advanced when [`peek`] is
/// called for the first time: In order to retrieve the next element,
/// [`next`] is called on the underlying iterator, hence any side effects of
/// the [`next`] method will occur.
/// [`next`] is called on the underlying iterator, hence any side effects (i.e.
/// anything other than fetching the next value) of the [`next`] method
/// will occur.
///
/// [`peek`]: struct.Peekable.html#method.peek
/// [`next`]: ../../std/iter/trait.Iterator.html#tymethod.next