gistfile1.nim

import net # # https://nim-lang.org/docs/net.html 
var socket = newSocket()
socket.bindAddr(Port(1234))
socket.listen()

var client = new Socket
var address = ""
while true:
  socket.acceptAddr(client, address)
  echo("Client connected from: ", address)


# Client connected from: 127.0.0.1
# btcp.nim(9)         btcp
# net.nim(793)             acceptAddr
# system.nim(3788)         failedAssertImpl
# system.nim(3781)         raiseAssert
# system.nim(2843)         sysFatal
# Error: unhandled exception: int(client.fd) <= 0 Client socket needs to be initialised with `new`, not `newSocket`. [AssertionError]
# Error: execution of an external program failed: '/home/david/nimPlayground/btcp '