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From: Mark Biggar <mark.a.biggar@attbi.com>
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Subject: Re: Concatenation and Characters
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Date: 2002-10-10T21:53:58+00:00
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Stephen Leake wrote:
> Mark Biggar <mark.a.biggar@attbi.com> writes:
> 
> 
>>Justin Birtwell wrote:
>>
>>>Oh,
>>>N:Natural;
>>>S:String(1..N);  Doesn't give me a compile error.  Any ideas why?
>>
>><snip>
>>
>>I your case it is likely that your compiler did the second thing above:
>>used the junk value (very likely 0) and thus S was too small (N needs to
>>be at least 6 for your example to work) and thus you get a CE.
> 
> 
> Actually, N needs to be _exactly_ 6 for the code to avoid Constraint_Error.
> 

He had too examples, the first:

S(1..6) := T&U;

works with N >=6

the second:

S := T&U

does require exactly 6.


-- 
Mark Biggar
mark.a.biggar@attbi.com