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.
2023-08-10 | perl v5.36.0 |