clone

static VALUE
method_clone(VALUE self)
{
    VALUE clone;
    struct METHOD *orig, *data;

    TypedData_Get_Struct(self, struct METHOD, &method_data_type, orig);
    clone = TypedData_Make_Struct(CLASS_OF(self), struct METHOD, &method_data_type, data);
    CLONESETUP(clone, self);
    *data = *orig;
    data->me = ALLOC(rb_method_entry_t);
    *data->me = *orig->me;
    if (data->me->def) data->me->def->alias_count++;
    data->ume = ALLOC(struct unlinked_method_entry_list_entry);

    return clone;
}