# import typetraits
#
# type
#   unionTable*[T] = ref object
#     parents: seq[T]
#   Iterable = concept x
#     high x is decltype x
#     low x is decltype x
#     decltype x + 1 is x
# proc newUnionTable*[T](args: openarray[T]): unionTable[T] =
#   for arg in args:
#     result.add arg
#
#
# proc newUnionTable*[T](maximum: T): unionTable[T] =
#   for arg in high args .. low args: result.parents.add arg