Deque is an ad hoc example by Christopher Diggins for a concatenative language that is not a stack language. It uses a http://en.wikipedia.org/wiki/Deque instead.
To quote from
Allow me to present the deque language that I just made up.
1! - Pushes a one to the right of the deque
!1 - Pushes a one to the leftt of the deque
add! - Adds the right two numbers of the deque
!add - Adds the left two numbers of the deque
3! !5 !2 sub! !add
If applied to an empty deque this will leave the value 4 on the deque.
This revision created on Mon, 5 Mar 2012 19:53:56 by falko (Started.)
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