another TameJS example rewritten in imaginary-coffeescript-with-defer

gistfile1.coffee

{resolve} = require "dns"

do_one = (host, cb) ->
  (err, ip) <- resolve host, "A", *
  console.log if err then "ERROR! #{err}" else "#{host} -> #{ip}"
  cb() if typeof cb is 'function'

do_all = (hosts) ->
  defer
    for host, i in hosts
      do_one host, null
  return

do_all process.argv[2..]

tame.js

var dns = require("dns");

function do_one (ev, host) {
  var err, ip;
  twait { dns.resolve (host, "A", mkevent (err, ip));}
  if (err) { console.log ("ERROR! " + err); }
  else { console.log (host + " -> " + ip); }
  ev();
}

function do_all (lst) {
  twait {
    for (var i = 0; i < lst.length; i++) {
      do_one (mkevent (), lst[i]);
    }
  }
}

do_all (process.argv.slice (2));