Method id_binary

test-suite/handwritten-src/cpp/test_helpers.cpp:167–169

}

std::vector<uint8_t> TestHelpers::id_binary(const std::vector<uint8_t> & v) {
    return v;
}

djinni::Future<int32_t> TestHelpers::get_async_result() {
    auto* p = new djinni::Promise<int32_t>();