Simplify with let else

Evan Typanski · Evan Typanski · commit 0447cc7affa8 · 2022-06-22T15:26:08.000-04:00
diff --git a/clippy_lints/src/manual_rem_euclid.rs b/clippy_lints/src/manual_rem_euclid.rs
@@ -71,11 +71,8 @@ impl<'tcx> LateLintPass<'tcx> for ManualRemEuclid {
                 match cx.tcx.hir().find(cx.tcx.hir().get_parent_node(hir_id)) {
                     Some(Node::Param(..)) => (),
                     Some(Node::Local(local)) => {
-                        if let Some(ty) = local.ty {
-                            if matches!(ty.kind, TyKind::Infer) {
-                                return;
-                            }
-                        } else {
+                        let Some(ty) = local.ty else { return };
+                        if matches!(ty.kind, TyKind::Infer) {
                             return;
                         }
                     }

Original file line number	Diff line number	Diff line change
`@@ -71,11 +71,8 @@ impl<'tcx> LateLintPass<'tcx> for ManualRemEuclid {`
`71`	`71`	`match cx.tcx.hir().find(cx.tcx.hir().get_parent_node(hir_id)) {`
`72`	`72`	`Some(Node::Param(..)) => (),`
`73`	`73`	`Some(Node::Local(local)) => {`
`74`		`- if let Some(ty) = local.ty {`
`75`		`- if matches!(ty.kind, TyKind::Infer) {`
`76`		`- return;`
`77`		`- }`
`78`		`- } else {`
	`74`	`+ let Some(ty) = local.ty else { return };`
	`75`	`+ if matches!(ty.kind, TyKind::Infer) {`
`79`	`76`	`return;`
`80`	`77`	`}`
`81`	`78`	`}`