Human Dunnil wrote:
> I was looking at one of the Ruby Quiz solutions (Countdown) in Ruby
> Quiz book, it uses << operator, which I don't understand!

If you're looking at the same code as I am, the << isn't used as the shift
operator. It's used to add items to an array. << only acts as shift operator
on numbers.


-- 
Ist so, weil ist so
Bleibt so, weil war so