CrypticSwarm

//From http://wiki.ecmascript.org/doku.php?id=harmony:proxies
function handlerMaker(obj) {
  return {
   getOwnPropertyDescriptor: function(name) {
     var desc = Object.getOwnPropertyDescriptor(obj, name);
     // a trapping proxy's properties must always be configurable
     if (desc !== undefined) { desc.configurable = true; }
     return desc;
   },
   getPropertyDescriptor:  function(name) {

CrypticSwarm

// Flow is a construct that can chain together functions.
// Flow denotes regular function composition.
var chain1 = 
 Flow <- f1
      <- f2
      <- f3

chain1(123) // same as f3(f2(f1(123)))

// Can also chain together multiple things that go to one.

CrypticSwarm

var optimist = require('optimist')
optimist.demand('color')
optimist.demand('size')
optimist.argv