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when and without-bounds-checks



Looking throught the DUIM code, two macros pop up that d2c doesn't like:

    when

and

    without-bounds-checks

I'm assuming that when is an alias to "if", it doesn't look like a
finally-evaluating "until".
What effects does without-bounds-check have? I'm assuming it rebinds
element() in some way, but what value does an out-of-bounds check
return?

Any help gratefully received.

- Rob.

--
Rob Myers  -  robm@tdv.com         The Digital Village  -  www.tdv.com
MacOS wonderfulness for The Hitch Hiker's Guide to the Galaxy Game.
"Arthur bought the Apple anyway."-So Long & Thanks For All The Fish.




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