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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.