diff --git a/util.d b/util.d
index 0a15129..f358db0 100644
--- a/util.d
+++ b/util.d
@@ -23,6 +23,17 @@ Int3()
 	}
 }
 
+pragma(inline) bool
+CondIncr(T, i64 step)(bool cond, T* val)
+{
+	if(cond)
+	{
+		*val += step;
+	}
+
+	return cond;
+}
+
 T[]
 CastStr(T)(string str)
 {