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package HTML::Widget::Constraint::Number;
use warnings;
use strict;
use base 'HTML::Widget::Constraint';
use Scalar::Util qw( looks_like_number );
HideShow 18 lines of Pod
=head1 NAME
HTML::Widget::Constraint::Number - Number Constraint
=head1 SYNOPSIS
    my $c = $widget->constraint( 'Number', 'foo' );
=head1 DESCRIPTION
Number Constraint.
=head1 METHODS
=head2 validate
=cut
sub validate {
    my ( $self, $value ) = @_;
    return 1 if !defined $value || $value eq '';
    return looks_like_number($value);
}
HideShow 11 lines of Pod
=head1 AUTHOR
Carl Franks C<cfranks@cpan.org>
=head1 LICENSE
This library is free software, you can redistribute it and/or modify it under
the same terms as Perl itself.
=cut
1;