From 74770f1071e6102795393cf65dd0c651038db6b4 Mon Sep 17 00:00:00 2001
From: Morgan Deters <mdeters@gmail.com>
Date: Fri, 2 Sep 2011 19:23:18 +0000
Subject: [PATCH] Ensure that assignment gestures through CDMap iterators like:

  (*myCDMap.find(foo)).second = bar;

fail with a compile-time error (rather than being silently ignored, like
they had been).

Resolves bug #276.
---
 src/context/cdmap.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/context/cdmap.h b/src/context/cdmap.h
index 1e7e931da..c71459835 100644
--- a/src/context/cdmap.h
+++ b/src/context/cdmap.h
@@ -514,8 +514,8 @@ public:
     }
 
     // Dereference operators.
-    std::pair<const Key, Data> operator*() const {
-      return std::pair<const Key, Data>(d_it->getKey(), d_it->get());
+    std::pair<const Key, const Data> operator*() const {
+      return std::pair<const Key, const Data>(d_it->getKey(), d_it->get());
     }
 
     // Prefix increment
-- 
2.30.2