HTML::Widget::Constraint::Callback(3p)

NAME
HTML::Widget::Constraint::Callback - Callback Constraint

SYNOPSIS
    my $c = $widget->constraint( 'Callback', 'foo' )->callback(sub {
        my $value=shift;
        return 1;
    });

DESCRIPTION
A callback constraint which will only be run once for each submitted value of each named field.

METHODS

  callback

  cb
Arguments: \&callback

Define the callback to be used for validation.

"cb" is an alias for "callback".

  validate
perform the actual validation.

AUTHOR
Sebastian Riedel, "sri@oook.de"

Marcus Ramberg, "mramberg@cpan.org"

LICENSE
This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.