================================================================ Logtalk - Open source object-oriented logic programming language Release 2.33.3 Copyright (c) 1998-2008 Paulo Moura. All Rights Reserved. Logtalk is free software. You can redistribute it and/or modify it under the terms of the "Artistic License 2.0" as published by The Perl Foundation. Consult the "LICENSE.txt" file for details. ================================================================ | ?- meta::succeeds(integer, [1, 2, 3]). yes | ?- meta::map(object_property, [meta, user], Out). Out = [static,built_in] ? ; Out = [static,static] ? ; no | ?- meta::filter(integer, [1, a, X, b(_), 4, 7.8, 'AAA'], Integers). Integers = [1,4] yes