Method lock

test/protocol_binary.cpp:390–395

    }

    void lock(const std::string& key, bool q) {
        request req(q ? binary_command::LockQ : binary_command::Lock,
                    (std::uint16_t)key.size(), key.data(),
                    0, nullptr, 0, nullptr);
        send(req.data(), req.length());
    }

    void unlock(const std::string& key, bool q) {
        request req(q ? binary_command::UnlockQ : binary_command::Unlock,