Use if-let guards in the codebase

2021-08-16 17:29:49 +02:00
parent a992a11913
commit fde1b76b4b
27 changed files with 242 additions and 254 deletions
--- a/compiler/rustc_middle/src/ty/util.rs
+++ b/compiler/rustc_middle/src/ty/util.rs
@@ -225,14 +225,12 @@ impl<'tcx> TyCtxt<'tcx> {
                    }
                }

-                ty::Tuple(tys) => {
-                    if let Some((&last_ty, _)) = tys.split_last() {
-                        ty = last_ty.expect_ty();
-                    } else {
-                        break;
-                    }
+                ty::Tuple(tys) if let Some((&last_ty, _)) = tys.split_last() => {
+                    ty = last_ty.expect_ty();
                }

+                ty::Tuple(_) => break,
+
                ty::Projection(_) | ty::Opaque(..) => {
                    let normalized = normalize(ty);
                    if ty == normalized {