FizzBuzz with meta-programming (for fun only)

fizzbuzz.groovy

Integer.metaClass.getBuzzOrFizz = {
  String str= ''
  if (delegate % 3 == 0) {
    str += 'Fizz'
  }
  if (delegate % 5 == 0) {
    str += 'Buzz'
  }
  if (!str) {
    return delegate.toString()
  }
  str
}

// 100.times { println((it + 1).buzzOrFizz) }
1.upto(100) { println it.buzzOrFizz }