HTML::Widget::CUserrContribuHtTeMdL:P:eWrildgDet::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, "sriAToook.de"

       Marcus Ramberg, "mrambergATcpan.org"

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
























perl v5.12.2                2007-03-01                          1