lib/multi.js
function queue(args) {
    args.push(resultsCallback);
    stack.push({caller: this.caller, args: args});
  }
function queue(args) {
    args.push(resultsCallback);
    stack.push({caller: this.caller, args: args});
  }
function queue ( args ) { args . push ( resultsCallback ) ; stack . push ( { caller : this . caller , args : args } ) ; }
Queues the callback
Queues the callback