javascript/pure/pure.js
function createServer(port, f) {
  f = f || noop;
  http.createServer(handler).listen(port, f);
  return statusHelper.changeStatus;
}
function createServer(port, f) {
  f = f || noop;
  http.createServer(handler).listen(port, f);
  return statusHelper.changeStatus;
}
function createServer ( port , f ) { f = f || noop ; http . createServer ( handler ) . listen ( port , f ) ; return statusHelper . changeStatus ; }
Create an HTTP server that always yield 200 HTTP status code
@param  {number} port
@param  {function} [f]    callback
Create an HTTP server that always yield 200 HTTP status code