reverse condition in `uN::checked_sub` · rust-lang/rust@7fde730 (original) (raw)

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Commit 7fde730

reverse condition in uN::checked_sub

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Original file line number	Diff line number	Diff line change
@@ -584,11 +584,11 @@ macro_rules! uint_impl {
584	584	// Thus, rather than using `overflowing_sub` that produces a wrapping
585	585	// subtraction, check it ourself so we can use an unchecked one.
586	586
587		-if self >= rhs {
	587	+if self < rhs {
	588	+None
	589	+} else {
588	590	// SAFETY: just checked this can't overflow
589	591	Some(unsafe { intrinsics::unchecked_sub(self, rhs) })
590		-} else {
591		-None
592	592	}
593	593	}
594	594