add a functor version of lexNumCmp

1 files changed, 2 insertions, 4 deletions

diff --git a/src/mongo/db/ops/update.h b/src/mongo/db/ops/update.h
index 816c36b4788..d64a3de65a7 100644
--- a/src/mongo/db/ops/update.h
+++ b/src/mongo/db/ops/update.h
@@ -19,6 +19,7 @@
 #include "../../pch.h"
 #include "../jsobj.h"
 #include "../../util/embedded_builder.h"
+#include "../../util/stringutils.h"
 #include "../matcher.h"
 
 namespace mongo {
@@ -526,10 +527,7 @@ namespace mongo {
      * the goal is to make ModSet const so its re-usable
      */
     class ModSetState : boost::noncopyable {
-        struct FieldCmp {
-            bool operator()( const string &l, const string &r ) const;
-        };
-        typedef map<string,ModState,FieldCmp> ModStateHolder;
+        typedef map<string,ModState,LexNumCmp> ModStateHolder;
         const BSONObj& _obj;
         ModStateHolder _mods;
         bool _inPlacePossible;