x: 1 y: {} y.x: => 3 print x is 1 print typeof(y.x) is 'function' print y.x() is 3 print y.x.name is 'x' # The empty function should not cause a syntax error. => obj: { name: "Fred" bound: => (==> print(this.name is "Fred"))() unbound: => (=> print(!this.name?))() } obj.unbound() obj.bound() # The named function should be cleared out before a call occurs: # Python decorator style wrapper that memoizes any function memoize: fn => cache: {} self: this args... => key: args.toString() return cache[key] if cache[key] cache[key] = fn.apply(self, args) Math: { Add: a, b => a + b AnonymousAdd: (a, b => a + b) FastAdd: memoize a, b => a + b } print Math.Add(5, 5) is 10 print Math.AnonymousAdd(10, 10) is 20 print Math.FastAdd(20, 20) is 40