Use match_ast

crates/ra_syntax/src/lib.rs

@@ -179,10 +179,10 @@ macro_rules! match_ast {
     (match $node:ident { $($tt:tt)* }) => { match_ast!(match ($node) { $($tt)* }) };
 
     (match ($node:expr) {
-        $( ast::$ast:ident($it:ident) => $res:block, )*
+        $( ast::$ast:ident($it:ident) => $res:expr, )*
         _ => $catch_all:expr $(,)?
     }) => {{
-        $( if let Some($it) = ast::$ast::cast($node.clone()) $res else )*
+        $( if let Some($it) = ast::$ast::cast($node.clone()) { $res } else )*
         { $catch_all }
     }};
 }