HTML::Widget::Constraint::In - Check that a value is one of a current set.
$widget->constraint( In => "foo" )->in(qw/possible values/);
Arguments: @values
A list of valid values for that element.
To install HTML::Widget, copy and paste the appropriate command in to your terminal.
cpanm
cpanm HTML::Widget
CPAN shell
perl -MCPAN -e shell install HTML::Widget
For more information on module installation, please visit the detailed CPAN module installation guide.