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Rollup merge of #35758 - matthew-piziak:vec-assert-over-println-remaining, r=GuillaumeGomez

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accumulate vector and assert for RangeFrom and RangeInclusive examples

PR #35695 for `Range` was merged, so it seems that this side-effect-free style is preferred for Range* examples. This PR performs the same translation for `RangeFrom` and `RangeInclusive`. It also removes what looks to be an erroneously commented line for `#![feature(step_by)]`, and an unnecessary primitive-type annotation in `0u8..`.
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Jonathan Turner 2016-08-31 06:29:08 -07:00 • committed by GitHub
commit 45ca620383
1 changed files with 10 additions and 22 deletions
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32
src/libcore/iter/range.rs
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@ -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> {
@ -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")]
@ -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")]