implements is_current_value => as {
my ($self, $check_value) = @_;
+ return $self->_model_has_value;
my @our_values = @{$self->value || []};
$check_value = $self->obj_to_str($check_value) if ref($check_value);
return grep { $self->obj_to_str($_) eq $check_value } @our_values;