Test integerness: Difference between revisions

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Given a real numeric value, test whether or not it is an integer.
Given a real numeric value, test whether or not it is an integer.

=={{header|J}}==
<lang J>= <.</lang>


=={{header|Perl 6}}==
=={{header|Perl 6}}==

Revision as of 11:06, 18 June 2014

Test integerness is a draft programming task. It is not yet considered ready to be promoted as a complete task, for reasons that should be found in its talk page.

Given a real numeric value, test whether or not it is an integer.

J

<lang J>= <.</lang>

Perl 6

<lang perl6>say pi.narrow ~~ Int; say 1e5.narrow ~~ Int;</lang>

Output:
False
True