Add MONGO_HASH_NAMESPACE macro for use in implementing std::hash<T>.

hww3 · Sep 9, 2013 · f1e0901 · f1e0901
1 parent 05c3839
commit f1e0901
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/src/mongo/platform/hash_namespace.h b/src/mongo/platform/hash_namespace.h
@@ -24,6 +24,7 @@
 
 #define MONGO_HASH_NAMESPACE_START namespace std {
 #define MONGO_HASH_NAMESPACE_END }
+#define MONGO_HASH_NAMESPACE std
 
 #elif defined(_MSC_VER) && _MSC_VER >= 1500
 
@@ -33,13 +34,15 @@
 
 #define MONGO_HASH_NAMESPACE_START namespace std {
 #define MONGO_HASH_NAMESPACE_END }
+#define MONGO_HASH_NAMESPACE std
 
 #else /* Older Visual Studio */
 
 #include <tr1/functional>
 
 #define MONGO_HASH_NAMESPACE_START namespace std { namespace tr1 {
 #define MONGO_HASH_NAMESPACE_END }}
+#define MONGO_HASH_NAMESPACE std::tr1
 
 #endif
 
@@ -49,6 +52,7 @@
 
 #define MONGO_HASH_NAMESPACE_START namespace std { namespace tr1 {
 #define MONGO_HASH_NAMESPACE_END }}
+#define MONGO_HASH_NAMESPACE std::tr1
 
 #else
 #error "Cannot determine namespace for 'hash'"