================================================================= Logtalk - Object oriented extension to Prolog Release 2.17.2 Copyright (c) 1998-2004 Paulo Moura. All Rights Reserved. ================================================================= To load all entities in this group load the types_loader.lgt utility file: | ?- logtalk_load(types_loader). These objects implement predicates over common Prolog terms and structures like lists, diffrence lists, binary trees, dictionaries, and queues.