Rollup merge of #106564 - Folyd:feat-repeatn, r=scottmcm

matthiaskrgr · web-flow · commit 3076f2698880 · 2023-01-07T20:43:23.000+01:00
Change to immutable borrow when cloning element of RepeatN
diff --git a/library/core/src/iter/sources/repeat_n.rs b/library/core/src/iter/sources/repeat_n.rs
@@ -126,7 +126,7 @@ impl<A: Clone> Iterator for RepeatN<A> {
             // zero so it won't be dropped later, and thus it's okay to take it here.
             unsafe { ManuallyDrop::take(&mut self.element) }
         } else {
-            A::clone(&mut self.element)
+            A::clone(&self.element)
         })
     }
 

Original file line number	Diff line number	Diff line change
`@@ -126,7 +126,7 @@ impl<A: Clone> Iterator for RepeatN<A> {`
`126`	`126`	`// zero so it won't be dropped later, and thus it's okay to take it here.`
`127`	`127`	`unsafe { ManuallyDrop::take(&mut self.element) }`
`128`	`128`	`} else {`
`129`		`- A::clone(&mut self.element)`
	`129`	`+ A::clone(&self.element)`
`130`	`130`	`})`
`131`	`131`	`}`
`132`	`132`