commit 94ebdf913b78426e887fa5565c59a11ab06fc031
author David Tolnay <dtolnay@gmail.com> Sun Sep 04 13:33:16 2016 -0700
committer David Tolnay <dtolnay@gmail.com> Sun Sep 04 13:33:16 2016 -0700
tree 68dc39c0a9a7774dd0884e56c979b165b13bc5fe
parent 87d0b44e98d01794f42912eb85bc847b234caba6

Use append_separated

src/attr.rs

diff --git a/src/attr.rs b/src/attr.rs
index 828006f..d2d78ed 100644
--- a/src/attr.rs
+++ b/src/attr.rs
@@ -104,12 +104,7 @@
                 MetaItem::List(ref ident, ref inner) => {
                     tokens.append(&ident);
                     tokens.append("(");
-                    for (i, meta_item) in inner.iter().enumerate() {
-                        if i > 0 {
-                            tokens.append(",");
-                        }
-                        meta_item.to_tokens(tokens);
-                    }
+                    tokens.append_separated(inner, ",");
                     tokens.append(")");
                 }
                 MetaItem::NameValue(ref name, ref value) => {