1 files changed, 5 insertions, 1 deletions

diff --git a/crates/ra_syntax/src/ast/extensions.rs b/crates/ra_syntax/src/ast/extensions.rs
index 45e3dd2d3..98c38d009 100644
--- a/crates/ra_syntax/src/ast/extensions.rs
+++ b/crates/ra_syntax/src/ast/extensions.rs
@@ -423,6 +423,10 @@ impl ast::MacroCall {
             None
         }
     }
+
+    pub fn is_bang(&self) -> bool {
+        self.is_macro_rules().is_none()
+    }
 }
 
 impl ast::LifetimeParam {
@@ -463,7 +467,7 @@ impl ast::TokenTree {
 
     pub fn right_delimiter_token(&self) -> Option<SyntaxToken> {
         self.syntax().last_child_or_token()?.into_token().filter(|it| match it.kind() {
-            T!['{'] | T!['('] | T!['['] => true,
+            T!['}'] | T![')'] | T![']'] => true,
             _ => false,
         })
     }