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Add for_each function to Iterator trait #14911

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Add for_each function to Iterator trait #14911

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13 changes: 13 additions & 0 deletions src/libcore/iter.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -448,6 +448,19 @@ pub trait Iterator<A> {
}
}

/// Applies the specified function to each element yielded by the iterator
///
/// # Example
///
/// ```rust
/// let a = [1, 2, 3];
/// a.iter().for_each(|x| println!("{}", x));
/// ```
#[inline]
fn for_each(&mut self, f: |A|) {
for x in *self { f(x); }
}

/// Loops through the entire iterator, collecting all of the elements into
/// a container implementing `FromIterator`.
///
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