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Application of numeric abstractions

(bdisp! (zerop zero))
--> true
(bdisp! (zero...
...> 5
(ndisp! (succ one))
--> 2
(ndisp! (mult two three))
--> 6
The abstraction `ndisp!' is another one of those primitive functions that are introduced later on as required extensions of A++ to interface with the computer, in this case to display numbers on the screen.

Georg P. Loczewski 2004-03-05

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