posterous post coffeescript example 3

ppce3.coffee

func1 = (args={c:30, d:50}) ->
    args.c + args.d + func2(args)

func2 = ({a, b}) ->
    a = 15 if not a?
    b = 10 if not b? 
    a + b

func1 {c:3, d:5}