================================================================= Logtalk - Object oriented extension to Prolog Release 2.27.1 Copyright (c) 1998-2006 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 such as lists, difference lists, binary trees, queues, dictionaries, and sets.