lauriat

  arr.map(func)

  list(map(func, arr))

  all(func3(y) for y in (func1(x) for x in zip(a, b)) if func2(y))

  d.get("non_existant_key", default)

  Array((x, y), (z, w)).index((z, w))

  bool(Array((x, y)).__eq__((z, w)))
  = bool(Array(False, False))
 

  def __bool__(self): return self.nonEmpty