Re: [BLACKBOX] Negation

From: [at]} <Robert>
Date: Fri, 15 Jul 2011 00:36:51 +0100

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On 14/07/2011 11:13 PM, Wojtek Skulski wrote:
> It is true in any programming language.
>
> W


Yes, but CP does have a negation restriction that many other languages do not share.

If you look at Chris's syntax diagrams you will see that '-' & '~' have
significantly different positions in the structure.

The result is that expressions like --5 are illegal, whereas ~~TRUE is legal.


I don't regard this as a problem, but it does keep you "on guard".


Cheers

Robert






>
>> I just learned that in CP one can not negate an integer type
...
 >> That caught me off guard.
 >> -Doug Danforth

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Received on Fri Jul 15 2011 - 01:36:51 UTC