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tests whether the argument is an integer.
integer(+Term)
integer/1 succeeds if Term is an integer otherwise it fails.
Arguments
Term term
Examples
| integer(101). | Succeeds. |
| integer(-5). | Succeeds. |
| X is 5-3, integer(X). | Succeeds. |
| integer(12.3). | Fails. |
| integer(12+3). | Fails. |
Standard
This predicate is part of the ISO-Prolog Standard.
See also
atom/1, atomic/1, compound/1, float/1, nonvar/1, number/1, var/1.
| document: http://www.ifcomputer.co.jp/MINERVA/Manual/Reference/Predicates/type_test/integer/print_en.html published 2008/10/6 update 1998/8/7 (c) 1996-2006 IF Computer Japan | ||||||||
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