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![\begin{lstlisting}[language=Scm]{}
(bdisp! (zerop zero))
--> true
(bdisp! (zero...
...> 5
(ndisp! (succ one))
--> 2
(ndisp! (mult two three))
--> 6
\end{lstlisting}](img88.gif)
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