tests whether the argument is an integer. ...
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See also
atom/1
atomic/1
compound/1
float/1
integer/1
nonvar/1
number/1
var/1
IF Computer > MINERVA > Manual > Reference > Predicates > Type testing > integer/1

integer/1

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.

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document: http://www.ifcomputer.co.jp/MINERVA/Manual/Reference/Predicates/type_test/integer/home_en.html
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