use Moops;
use Data::Dx;

class Special;
class Foo {
    method _actual_work { return 'foo', Special->new }
    method my_method(--> Any) { return $self->_actual_work }
    method my_method_special(--> InstanceOf['Special']) { return ($self->_actual_work)[1] }
    method my_method_string(--> Str) { ($self->_actual_work)[0] }
}

my $f = Foo->new;
Dx $f->my_method;
Dx $f->my_method_special;
Dx $f->my_method_string;