namespace factor { struct aging_policy { factor_vm* parent; aging_space* aging; tenured_space* tenured; explicit aging_policy(factor_vm* parent) : parent(parent), aging(parent->data->aging), tenured(parent->data->tenured) {} bool should_copy_p(object* untagged) { return !(aging->contains_p(untagged) || tenured->contains_p(untagged)); } void promoted_object(object* obj) {} void visited_object(object* obj) {} }; }