Re: case labels

[CBFalconer]

"christian.bau" wrote:
> aark...@xxxxxxxxx wrote:
> 
>> why are constant integer expressions required in case labels of
>> the switch statement? what would be the impact of allowing
>> general integer expressions instead of constant integer
>> expressions? discuss both user convenience and implementation
>> aspects?
> 
> Consider
> 
>   switch (i) {
>     case f (): printf ("f"); break;
>     case g (): printf ("g"); break;
>   }
> 
> Discuss under user convenience, implementation, and general
> mental health aspects.

The function f() is not a constant integer expression.  Illegal.

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