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Test fixes

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This commit is contained in:
Alex Crichton 2015-01-05 19:07:07 -08:00
parent 7975fd9cee
commit f331c56869
1 changed files with 0 additions and 53 deletions
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53
src/libcore/iter.rs
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@ -580,44 +580,6 @@ pub trait IteratorExt: Iterator + Sized {
(left, right)
}
/// Loops through `n` iterations, returning the `n`th element of the
/// iterator.
///
/// # Example
///
/// ```rust
/// let a = [1, 2, 3, 4, 5];
/// let mut it = a.iter();
/// assert!(it.nth(2).unwrap() == &3);
/// assert!(it.nth(2) == None);
/// ```
#[inline]
#[stable]
fn nth(&mut self, mut n: uint) -> Option< <Self as Iterator>::Item> {
for x in *self {
if n == 0 { return Some(x) }
n -= 1;
}
None
}
/// Loops through the entire iterator, returning the last element of the
/// iterator.
///
/// # Example
///
/// ```rust
/// let a = [1, 2, 3, 4, 5];
/// assert!(a.iter().last().unwrap() == &5);
/// ```
#[inline]
#[unstable = "just changed to take self by value"]
fn last(mut self) -> Option< <Self as Iterator>::Item> {
let mut last = None;
for x in self { last = Some(x); }
last
}
/// Performs a fold operation over the entire iterator, returning the
/// eventual state at the end of the iteration.
///
@ -639,21 +601,6 @@ pub trait IteratorExt: Iterator + Sized {
accum
}
/// Counts the number of elements in this iterator.
///
/// # Example
///
/// ```rust
/// let a = [1, 2, 3, 4, 5];
/// let mut it = a.iter();
/// assert!(it.count() == 5);
/// ```
#[inline]
#[unstable = "just changed to take self by value"]
fn count(self) -> uint {
self.fold(0, |cnt, _x| cnt + 1)
}
/// Tests whether the predicate holds true for all elements in the iterator.
///
/// # Example