fix clippy::iter_nth_zero in tests

hellow554 · hellow554 · commit d0c1a6eb583a · 2022-06-03T09:18:25.000+02:00
diff --git a/tests/test_std.rs b/tests/test_std.rs
@@ -694,7 +694,7 @@ fn group_by() {
         }
     }
 
-    let toupper = |ch: &char| ch.to_uppercase().nth(0).unwrap();
+    let toupper = |ch: &char| ch.to_uppercase().next().unwrap();
 
     // try all possible orderings
     for indices in permutohedron::Heap::new(&mut [0, 1, 2, 3]) {

Original file line number	Diff line number	Diff line change
`@@ -694,7 +694,7 @@ fn group_by() {`
`694`	`694`	`}`
`695`	`695`	`}`
`696`	`696`
`697`		`- let toupper = \|ch: &char\| ch.to_uppercase().nth(0).unwrap();`
	`697`	`+ let toupper = \|ch: &char\| ch.to_uppercase().next().unwrap();`
`698`	`698`
`699`	`699`	`// try all possible orderings`
`700`	`700`	`for indices in permutohedron::Heap::new(&mut [0, 1, 2, 3]) {`