example of pointer usefulness in D

[Ali Çehreli via Digitalmars-d]

On 10/21/2014 01:15 PM, bearophile wrote:
> Ali Çehreli:
>
>> - References to any local data because 'ref' is only for parameters
>> and return types.
>>
>>     int a;
>>     int b;
>>     int* r = (condition ? &a : &b);    // r must be a pointer
>>     *r = 42;
>
> Regarding this example, this works:
>
> void main() {
>      int a, b;
>      bool condition;
>      (condition ? a : b) = 42;
> }
>
> Bye,
> bearophile

Yes but that doesn't scale when we need to use it again:

   (condition ? a : b) = 42;
   foo(condition ? a : b);
   // ...

Ali