promise-example.js

require.paths.unshift('/Users/guan/code/node-promise');
var promise = require('node-promise'),
    sys = require('sys');
process.mixin(GLOBAL, require('promise'));

// A promise version of setTimeout
var delay = function (timeout) {
    var deferred = new process.Promise();
    setTimeout(function () {
        deferred.resolve();
    }, timeout);
    return deferred.promise;
};

delay(3000)
.then(function () { sys.puts('Hello, World!'); });