sub { defined($_[0]) && !ref($_[0]) && exists $values{$_[0]} };
}
+sub create_child_type {
+ my ($self, @args) = @_;
+ return Moose::meta::TypeConstraint->new(@args, parent => $self);
+}
+
1;
__END__
=item B<meta>
+=item B<create_child_type>
+
=back
=head1 BUGS