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accumulate vector and assert for RangeFrom and RangeInclusive examples #35758

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Aug 31, 2016
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accumulate vector and assert for RangeFrom and RangeInclusive examples #35758

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32 changes: 10 additions & 22 deletions src/libcore/iter/range.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -263,14 +263,12 @@ impl<A: Step> ops::RangeFrom<A> {
/// # Examples
///
/// ```
/// # #![feature(step_by)]
///
/// for i in (0u8..).step_by(2).take(10) {
/// println!("{}", i);
/// #![feature(step_by)]
/// fn main() {
/// let result: Vec<_> = (0..).step_by(2).take(5).collect();
/// assert_eq!(result, vec![0, 2, 4, 6, 8]);
/// }
/// ```
///
/// This prints the first ten even natural integers (0 to 18).
#[unstable(feature = "step_by", reason = "recent addition",
issue = "27741")]
pub fn step_by(self, by: A) -> StepBy<A, Self> {
Expand All @@ -291,8 +289,10 @@ impl<A: Step> ops::Range<A> {
///
/// ```
/// #![feature(step_by)]
/// let result: Vec<_> = (0..10).step_by(2).collect();
/// assert_eq!(result, vec![0, 2, 4, 6, 8]);
/// fn main() {
/// let result: Vec<_> = (0..10).step_by(2).collect();
/// assert_eq!(result, vec![0, 2, 4, 6, 8]);
/// }
/// ```
#[unstable(feature = "step_by", reason = "recent addition",
issue = "27741")]
Expand All @@ -315,20 +315,8 @@ impl<A: Step> ops::RangeInclusive<A> {
/// ```
/// #![feature(step_by, inclusive_range_syntax)]
///
/// for i in (0...10).step_by(2) {
/// println!("{}", i);
/// }
/// ```
///
/// This prints:
///
/// ```text
/// 0
/// 2
/// 4
/// 6
/// 8
/// 10
/// let result: Vec<_> = (0...10).step_by(2).collect();
/// assert_eq!(result, vec![0, 2, 4, 6, 8, 10]);
/// ```
#[unstable(feature = "step_by", reason = "recent addition",
issue = "27741")]
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