INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_builder, builder);
INSTALL_SIMPLE_PREDICATE_WITH_KEY(Attribute, has_documentation, documentation);
- newCONSTSUB(gv_stashpvs("Mouse::Meta::Attribute", TRUE), "accessor_metaclass",
- newSVpvs("Mouse::Meta::Method::Accessor::XS"));
+ INSTALL_CLASS_HOLDER(Attribute, accessor_metaclass, "Mouse::Meta::Method::Accessor::XS");