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Auto merge of #130867 - michirakara:steps_between, r=dtolnay

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distinguish overflow and unimplemented in Step::steps_between
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bors 2024-11-22 10:54:22 +00:00
commit f1e0752404
6 changed files with 94 additions and 79 deletions
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2
compiler/rustc_abi/src/lib.rs
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@ -638,7 +638,7 @@ impl AddAssign for Size {
#[cfg(feature = "nightly")]
impl Step for Size {
#[inline]
fn steps_between(start: &Self, end: &Self) -> Option<usize> {
fn steps_between(start: &Self, end: &Self) -> (usize, Option<usize>) {
u64::steps_between(&start.bytes(), &end.bytes())
}