a basic_socket. <br> <span class="silver"> &#8212;</span><br> Construct a basic_socket,
                  opening it and binding it to the given local endpoint. <br> <span class="silver"> &#8212;</span>
                  <br> Construct a basic_socket on an existing native socket.
                  <br> <span class="silver"> &#8212;</span><br> Move-construct a basic_socket from another. <br>
                  <span class="silver"> &#8212;</span><br> Move-construct a basic_socket from a socket of another prot