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_serialize/src/json.rs
+++ b/compiler/rustc_serialize/src/json.rs
@@ -2306,9 +2306,8 @@ impl crate::Decoder for Decoder {
            }
            json => bad!(ExpectedError("String or Object".to_owned(), json.to_string())),
        };
-        let idx = match names.iter().position(|n| *n == &name[..]) {
-            Some(idx) => idx,
-            None => bad!(UnknownVariantError(name)),
+        let Some(idx) = names.iter().position(|n| *n == &name[..]) else {
+            bad!(UnknownVariantError(name));
        };
        f(self, idx)
    }