1 files changed, 40 insertions, 0 deletions

diff --git a/src/util.h b/src/util.h
index 977645c..25eb795 100644
--- a/src/util.h
+++ b/src/util.h
@@ -35,6 +35,46 @@ namespace Bu
         {
                 return min( max( a, b ), c );
         }
+        
+        //
+        //  Basic comparison functors
+        //
+        template<typename item>
+        struct __basicLTCmp
+        {
+                bool operator()( const item &a, const item &b )
+                {
+                        return a < b;
+                }
+        };
+        
+        template<typename item>
+        struct __basicGTCmp
+        {
+                bool operator()( const item &a, const item &b )
+                {
+                        return a > b;
+                }
+        };
+
+        template<typename item>
+        struct __basicPtrLTCmp
+        {
+                bool operator()( const item &a, const item &b )
+                {
+                        return *a < *b;
+                }
+        };
+        
+        template<typename item>
+        struct __basicPtrGTCmp
+        {
+                bool operator()( const item &a, const item &b )
+                {
+                        return *a > *b;
+                }
+        };
+
 };
 
 #endif