value } enum OzzieCoin { fifty(50), twenty(20), ten(10), five(5) OzzieCoin(v) { value=v } final value } def plural(word, count) { if (count==1 ) return word word[-1]=='y' ? word[0..-2] + "ies" : word + "s" } def change(currency, amount) {
currency.values().inject([]){ list, coin -> int count = amount / coin.value amount = amount % coin.value list += "$count ${plural(coin.toString(), count)}" } }