simplify merging of two vecs

2023-12-12 18:42:37 +01:00
parent 27d8a57713
commit 6892fcd690
2 changed files with 2 additions and 2 deletions
--- a/compiler/rustc_pattern_analysis/src/constructor.rs
+++ b/compiler/rustc_pattern_analysis/src/constructor.rs
@@ -979,7 +979,7 @@ impl ConstructorSet {
            && !(pcx.is_top_level && matches!(self, Self::NoConstructors))
        {
            // Treat all missing constructors as nonempty.
-            missing.extend(missing_empty.drain(..));
+            missing.append(&mut missing_empty);
        }

        SplitConstructorSet { present, missing, missing_empty }