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Fix typo

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kanimum 2020-07-23 17:29:52 +09:00 • committed by GitHub
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src/libcore/iter/range.rs
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@ -32,7 +32,7 @@ pub unsafe trait Step: Clone + PartialOrd + Sized {
/// * `steps_between(&a, &b) == Some(n)` only if `a <= b`
/// * Corollary: `steps_between(&a, &b) == Some(0)` if and only if `a == b`
/// * Note that `a <= b` does _not_ imply `steps_between(&a, &b) != None`;
/// this is the case wheen it would require more than `usize::MAX` steps to get to `b`
/// this is the case when it would require more than `usize::MAX` steps to get to `b`
/// * `steps_between(&a, &b) == None` if `a > b`
fn steps_between(start: &Self, end: &Self) -> Option<usize>;