From 9ae89bd404803be6b820189d8e0480b3395d05ee Mon Sep 17 00:00:00 2001
From: Graydon Hoare <graydon@mozilla.com>
Date: Tue, 15 Feb 2011 12:20:30 -0800
Subject: Add _mutable unop.

---
 src/comp/middle/trans.rs  | 3 +++
 src/comp/middle/typeck.rs | 3 +++
 2 files changed, 6 insertions(+)

(limited to 'src/comp/middle')

diff --git a/src/comp/middle/trans.rs b/src/comp/middle/trans.rs
index c4e5c9c4..72a4fe5c 100644
--- a/src/comp/middle/trans.rs
+++ b/src/comp/middle/trans.rs
@@ -1834,6 +1834,9 @@ fn trans_unary(@block_ctxt cx, ast.unop op,
             }
             ret res(sub.bcx, val);
         }
+        case (ast._mutable) {
+            ret trans_expr(cx, e);
+        }
     }
     fail;
 }
diff --git a/src/comp/middle/typeck.rs b/src/comp/middle/typeck.rs
index a062f79d..e1b8d464 100644
--- a/src/comp/middle/typeck.rs
+++ b/src/comp/middle/typeck.rs
@@ -1229,6 +1229,9 @@ fn check_expr(&@fn_ctxt fcx, @ast.expr expr) -> @ast.expr {
                         }
                     }
                 }
+                case (ast._mutable) {
+                    oper_t = @rec(mut=ast.mut with *oper_t);
+                }
                 case (_) { oper_t = strip_boxes(oper_t); }
             }
             ret @fold.respan[ast.expr_](expr.span,
-- 
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