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.