enum MyEnum
  One
  Two
end

@[Flags]
enum MyFlags
  One
  Two
  Three
end

MyEnum.each do |member, value|
  # yield One, 0
  # yield Two, 1
end

# note that `None` and `All` aren't iterated
MyFlags.each do |member, value|
  # yield One, 1
  # yield Two, 2
  # yield Three, 3
end

(MyFlags::One | MyFlags::Three).each do |member, value|
  # yield One, 1
  # yield Three, 3
end