'use strict';
var vow = require('vow');

function timeout(ms, msg){
    var dfd = vow.defer();
    setTimeout(function(){
        dfd.resolve(this.msg);
    }.bind({msg: msg}), ms);
    return dfd.promise();
}

var makeJob = function *(){
    yield timeout(1000, 1);
    yield timeout(1000, 2);
    yield timeout(1000, 3);
    yield timeout(1000, 4);
    yield timeout(5000, 5);
    return 6;
};

for (let c in makeJob()){
    console.log(c);
}