27 class Pipe {  class
30     Pipe(const Pipe &) = delete;
31     Pipe& operator=(const Pipe &) = delete;
32     Pipe& operator=(const Pipe &&) = delete;
34     Pipe(int readFd, int writeFd) : m_readFd{readFd}, m_writeFd{writeFd} {  in Pipe()  function in Pipe
38     Pipe(Pipe&& rval) noexcept {  in Pipe()  function in Pipe
44     ~Pipe() {  in ~Pipe()
88     static Pipe makePipeFromFds(int readFd, int writeFd) {  in makePipeFromFds()
89         return Pipe(readFd, writeFd);  in makePipeFromFds()
91     static tuple<Pipe, Pipe> createPipePair() {  in createPipePair()
100         return make_tuple(Pipe(a[0], b[1]), Pipe(b[0], a[1]));  in createPipePair()
104 void createProcess(Pipe pipe, const char *exName, const char *arg)  in createProcess()
184         Pipe p{atoi(argv[3]), atoi(argv[4])};  in main()
206             auto pipes = Pipe::createPipePair();  in main()
210             Pipe &p = std::get<0>(pipes);  in main()