1 files changed, 1 insertions, 4 deletions
diff --git a/src/libsyntax/ast.rs b/src/libsyntax/ast.rs
index dee493a708e..bbf00825acb 100644
--- a/src/libsyntax/ast.rs
+++ b/src/libsyntax/ast.rs
@@ -2448,10 +2448,7 @@ pub enum Extern {
 
 impl Extern {
     pub fn from_abi(abi: Option<StrLit>) -> Extern {
-        match abi {
-            Some(abi) => Extern::Explicit(abi),
-            None => Extern::Implicit,
-        }
+        abi.map_or(Extern::Implicit, Extern::Explicit)
     }
 }