From f6490a6f03dd997d7cb801dff9d48a56b336fccc Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Tue, 29 Mar 2011 15:40:21 -0700
Subject: Ignore 'mutable foo' in plain field contexts.

---
 src/comp/front/parser.rs | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/comp/front/parser.rs')

diff --git a/src/comp/front/parser.rs b/src/comp/front/parser.rs
index 06e22ea8..7bec44e6 100644
--- a/src/comp/front/parser.rs
+++ b/src/comp/front/parser.rs
@@ -1003,6 +1003,12 @@ impure fn parse_dot_or_call_expr(parser p) -> @ast.expr {
 
 impure fn parse_prefix_expr(parser p) -> @ast.expr {
 
+    if (p.peek() == token.MUTABLE) {
+        p.bump();
+        p.get_session().span_warn(p.get_span(),
+            "ignoring deprecated 'mutable' prefix operator");
+    }
+
     auto lo = p.get_span();
     auto hi = lo;
 
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