Dispatch tables

src/list.h

Index: src/list.h
diff --git a/src/list.h b/src/list.h
index 1fe9067631c972e1afeb79767bfbcf1214140626..6946b332c5e3935923a5a1348803ebc68b952e40 100644
--- a/src/list.h
+++ b/src/list.h
@@ -95,6 +95,8 @@ class List {
   // Drops all but the first 'pos' elements from the list.
   INLINE(void Rewind(int pos));
 
+  bool Contains(T& elm);
+
   // Iterate through all list entries, starting at index 0.
   void Iterate(void (*callback)(T* x));