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

distinguish overflow and unimplemented in Step::steps_between
2024-11-22 10:54:22 +00:00
parent 2cf7908998 de741d2093
commit f1e0752404
6 changed files with 94 additions and 79 deletions
--- a/compiler/rustc_abi/src/lib.rs
+++ b/compiler/rustc_abi/src/lib.rs
@@ -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())
    }