X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=src%2Fsortaction.h;fp=src%2Fsortaction.h;h=a1c5566acb16673368d5c3fc9260f9c68a055311;hb=6b0585c4c6aa12aad13965d5f17be9a4a51653b5;hp=a99f786988b88a9cb238fc77122fb6a14aa5d4f2;hpb=623097444fac1993a86e6d73b203bc3c6d731c11;p=germs.git

diff --git a/src/sortaction.h b/src/sortaction.h
index a99f786..a1c5566 100644
--- a/src/sortaction.h
+++ b/src/sortaction.h
@@ -44,7 +44,12 @@ class SortActionImpl{
 		 * Compares sort actions.
 		 */
 		virtual bool operator==(const SortActionImpl& sa) const = 0;
-		
+
+		/**
+		 * Compares sort actions.
+		 */
+		virtual bool operator<(const SortActionImpl& sa) const = 0;
+
 		/**
 		 * Gives a string representation of the action, for output
 		 */
@@ -92,6 +97,13 @@ class SortAction{
 			return (*_action) == (*sa._action);
 		}
 
+		/**
+		 * Compares sort actions.
+		 */
+		bool operator<(const SortAction& sa) const{
+			return (*_action) < (*sa._action);
+		}
+
 		/**
 		 * Compares sort actions.
 		 */