Function test_callback

example/cpp14/operations/c_callback_wrapper.cpp:169–183

//------------------------------------------------------------------------------

void test_callback()
{
  boost::asio::io_context io_context;

  // Test our asynchronous operation using a lambda as a callback. We will use
  // an io_context to obtain an associated executor.
  async_read_input("Enter your name",
      boost::asio::bind_executor(io_context,
        [](const std::string& result)
        {
          std::cout << "Hello " << result << "\n";
        }));

  io_context.run();
}

//------------------------------------------------------------------------------