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-rw-r--r--src/libsyntax/parse/parser.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax/parse/parser.rs b/src/libsyntax/parse/parser.rs
index cfef9c49879..a7ba67901e8 100644
--- a/src/libsyntax/parse/parser.rs
+++ b/src/libsyntax/parse/parser.rs
@@ -2496,6 +2496,7 @@ pub impl Parser {
         @ast::pat { id: self.get_id(), node: pat, span: mk_sp(lo, hi) }
     }
 
+    // parse ident or ident @ pat
     // used by the copy foo and ref foo patterns to give a good
     // error message when parsing mistakes like ref foo(a,b)
     fn parse_pat_ident(&self,