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_builtin_macros/src/compile_error.rs
+++ b/compiler/rustc_builtin_macros/src/compile_error.rs
@@ -9,9 +9,8 @@ pub fn expand_compile_error<'cx>(
    sp: Span,
    tts: TokenStream,
 ) -> Box<dyn base::MacResult + 'cx> {
-    let var = match get_single_str_from_tts(cx, sp, tts, "compile_error!") {
-        None => return DummyResult::any(sp),
-        Some(v) => v,
+    let Some(var) = get_single_str_from_tts(cx, sp, tts, "compile_error!") else {
+        return DummyResult::any(sp);
    };

    cx.span_err(sp, &var);