Re: "static const" attribute in C++ (How to ?)

[Luciano Moreira - igLnx <lucianolnx@ig.com.br>]

Is very commom in Java, the declaration of "static const" attributes 
into class escope. Is possible to do anything similar in C++ ?
Using another techniques ?

All we need is to have a public static symbol into a class escope that 
can be used to declare a array, intead of using a lot of global symbols.

Thanks,

Luciano

Glynn Clements wrote:

>Luciano Moreira - igLnx wrote:
>
>  
>
>>Sorry for this rookie question, but I'm not a experienced C++ programmer 
>>(I m a old C-ANSI programmer, not in C++)
>>
>>How can us create a kind of "static const" attribute into a class ? I 
>>need to use it like as:
>>char myArray[MYCLASS::DEFSIZE];
>>    
>>
>
>That won't work. Array sizes have to be constant expressions
>(expressions which contain only literal values).
>
>  
>
>>Where "DEFSIZE" whould be a "static const" member (or another type) of 
>>MYCLASS.
>>
>>What do I already tried ? Follow:
>>class MYCLASS {
>>    public:
>>       static const int DEFSIZE;
>>};
>>const int DEFSIZE = 100;
>>
>>But, when the file "MYCLASS.h" is included more than one file ".cpp", 
>>the linker says that the member "MYCLASS::DEFZISE" "was already defined 
>>in 'filename'". And don't have occurrences of compiler errors, only on 
>>linking.
>>    
>>
>
>Definitions belong in source (.cpp) files, not header files.
>
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>