From a48e33f1391596f5a746279a6e456024254fe908 Mon Sep 17 00:00:00 2001
From: Edwin Cheng <edwin0cheng@gmail.com>
Date: Sun, 5 May 2019 10:21:26 +0800
Subject: Fixed missing empty vars

---
 crates/ra_mbe/src/mbe_expander.rs | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'crates/ra_mbe/src/mbe_expander.rs')

diff --git a/crates/ra_mbe/src/mbe_expander.rs b/crates/ra_mbe/src/mbe_expander.rs
index 4b007647c..3a4dbb5f5 100644
--- a/crates/ra_mbe/src/mbe_expander.rs
+++ b/crates/ra_mbe/src/mbe_expander.rs
@@ -177,6 +177,9 @@ fn collect_vars(subtree: &crate::Subtree) -> Vec<SmolStr> {
             crate::TokenTree::Subtree(subtree) => {
                 res.extend(collect_vars(subtree));
             }
+            crate::TokenTree::Repeat(crate::Repeat { subtree, .. }) => {
+                res.extend(collect_vars(subtree));
+            }
             _ => {}
         }
     }
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