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authorPatrick Walton <pcwalton@mimiga.net>2013-02-21 16:13:07 -0800
committerPatrick Walton <pcwalton@mimiga.net>2013-02-22 16:09:15 -0800
commit17dcaee9d13a39fe38e010514d8489060a20509d (patch)
tree7815c11ad12869c41756a4b20a539d6441865d46 /src/libsyntax/ext/pipes/mod.rs
parent1a132b3721a3581cf8a4ae2ce6486a01a3b9cac1 (diff)
downloadrust-17dcaee9d13a39fe38e010514d8489060a20509d.tar.gz
rust-17dcaee9d13a39fe38e010514d8489060a20509d.zip
libsyntax: De-mut the pipe compiler
Diffstat (limited to 'src/libsyntax/ext/pipes/mod.rs')
-rw-r--r--src/libsyntax/ext/pipes/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax/ext/pipes/mod.rs b/src/libsyntax/ext/pipes/mod.rs
index 6d117f5ad23..8b8e48bd522 100644
--- a/src/libsyntax/ext/pipes/mod.rs
+++ b/src/libsyntax/ext/pipes/mod.rs
@@ -73,7 +73,7 @@ pub fn expand_proto(cx: ext_ctxt, _sp: span, id: ast::ident,
     let rdr = tt_rdr as reader;
     let rust_parser = Parser(sess, cfg, rdr.dup());
 
-    let proto = rust_parser.parse_proto(cx.str_of(id));
+    let mut proto = rust_parser.parse_proto(cx.str_of(id));
 
     // check for errors
     visit(proto, cx);