SYNOPSIS

my $f = $widget->filter( 'Callback', 'foo' )->callback(sub {
my $value=shift;
$value =~ s/before/after/g;
return $value;
});

DESCRIPTION

Callback Filter.

METHODS

callback

Argument: \&callback

Define the callback to be used for filter.

``cb'' is an alias for ``callback''.

filter

AUTHOR

Lyo Kato, "[email protected]"

LICENSE

This library is free software, you can redistribute it and/or modify it under the same terms as Perl itself.