use matches!() macro for simple if let conditions

2020-09-18 19:11:06 +02:00
parent 2c69266c06
commit 40dddd3305
15 changed files with 33 additions and 36 deletions
--- a/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
+++ b/compiler/rustc_builtin_macros/src/deriving/generic/mod.rs
@@ -1529,7 +1529,7 @@ impl<'a> TraitDef<'a> {
            }
        }

-        let is_tuple = if let ast::VariantData::Tuple(..) = struct_def { true } else { false };
+        let is_tuple = matches!(struct_def, ast::VariantData::Tuple(..));
        match (just_spans.is_empty(), named_idents.is_empty()) {
            (false, false) => cx.span_bug(
                self.span,