HTML::Widget::Constraint::Callback3pm

Callback constraint

Usage

    my $c = $widget->constraint( 'Callback', 'foo' )->callback(sub { 
        my $value=shift;
        return 1;
    });

A callback constraint which will only be run once for each submitted value of each named field.

Arguments: \&callback

Define the callback to be used for validation.

"cb" is an alias for "callback".

perform the actual validation.

10 releases since Debian 4.0 (Etch); the text changed 7 times.