Function write

Utilities/cmcppdap/src/network_test.cpp:30–32

constexpr int port = 19021;

bool write(const std::shared_ptr<dap::Writer>& w, const std::string& s) {
  return w->write(s.data(), s.size()) && w->write("\0", 1);
}

std::string read(const std::shared_ptr<dap::Reader>& r) {
  char c;