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tests whether the argument is not a variable.
nonvar(+Term)
nonvar/1 succeeds if Term is not a variable otherwise it fails.
Arguments
Term term
Examples
| nonvar('this is an atom'). | Succeeds. |
| nonvar([l,i,s,t]). | Succeeds. |
| nonvar(Variable). | Fails. |
| nonvar(_27). | Fails. |
Standard
This predicate is part of the ISO-Prolog Standard.
See also
atom/1, atomic/1, compound/1, float/1, integer/1, number/1, var/1.
| document: http://www.ifcomputer.co.jp/MINERVA/Manual/Reference/Predicates/type_test/nonvar/print_en.html published 2008/10/6 update 1997/6/22 (c) 1996-2006 IF Computer Japan | ||||||||
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