Method release

src/serialization/test/extern_c_opr.cpp:46–50

    }

    static void release(MGBOprDesc* self) {
        delete user_data(self);
        delete self;
        --nr_inst;
    }

    static size_t hash(const MGBOprDesc* self) {
        return mgb::hash<float>(user_data(self)->bias);