Adopt let else in more places

2022-02-19 00:48:49 +01:00
parent b8c56fa8c3
commit 2ef8af6619
132 changed files with 539 additions and 881 deletions
--- a/compiler/rustc_codegen_ssa/src/mir/mod.rs
+++ b/compiler/rustc_codegen_ssa/src/mir/mod.rs
@@ -281,9 +281,8 @@ fn arg_local_refs<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
                // individual LLVM function arguments.

                let arg_ty = fx.monomorphize(arg_decl.ty);
-                let tupled_arg_tys = match arg_ty.kind() {
-                    ty::Tuple(tys) => tys,
-                    _ => bug!("spread argument isn't a tuple?!"),
+                let ty::Tuple(tupled_arg_tys) = arg_ty.kind() else {
+                    bug!("spread argument isn't a tuple?!");
                };

                let place = PlaceRef::alloca(bx, bx.layout_of(arg_ty));