debian man page for html::widget::constraint::callback

HTML::Widget::Constraint::Callback(3pm) 		User Contributed Perl Documentation		   HTML::Widget::Constraint::Callback(3pm)

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.

perl v5.10.1							    2007-03-01				   HTML::Widget::Constraint::Callback(3pm)