Re: typed constants

P Padil via fpc-pascal <[email protected]> Fri, 2 Jan 2026 13:14:20 -0800

Newsgroups	gmane.comp.compilers.free-pascal.general
Message-ID	<[email protected]>

Ah ok, thanks.  

> On Jan 2, 2026, at 12:47 PM, Mattias Gaertner via fpc-pascal <[email protected]> wrote:
> 
> 
> 
> On 1/2/26 20:16, P Padil via fpc-pascal wrote:
>> Ok I should have read the error message, the problem is with the following declaration, not the first:
>> const
>>    tprob: double = 0.020000000;
>>    lprob: double = tprob/1e4;
> 
> For legacy reasons these actually declare variables.
> 
> Maybe you want
> 
> const
>    tprob = double(0.02);
>    lprob = double(tprob/1e4);
> 
> Mattias
> 
> 
> 
>> If I remove the types then it compiles, with the types it says "Error: Illegal expression” on the second declaration.
>>> On Jan 2, 2026, at 10:57 AM, P Padil <[email protected]> wrote:
>>> 
>>> I attempted to use a typed constant:
>>> 
>>> const
>>> tprob : Double = 0.020;
>>> 
>>> But the compiler (3.2.2) balked as illegal expression.  Am i misreading section "2.2  Typed constants” in the reference manual?
>>> 
>>> Thanks,
>>> Pete
>> _______________________________________________
>> fpc-pascal maillist  -  [email protected]
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> 
> _______________________________________________
> fpc-pascal maillist  -  [email protected]
> https://lists.freepascal.org/cgi-bin/mailman/listinfo/fpc-pascal

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