Optional extra return value? Multiple return values with auto?

[Era Scarecrow]

On Wednesday, 15 August 2012 at 01:42:11 UTC, Ali Çehreli wrote:
> Agreed. The function code must be compiled to use certain 
> amount of data from the program stack for that particular 
> parameter. That size of that parameter must be known at compile 
> time.
>
> The compiler could in theory examine the entire program to 
> determine a type for the parameter but the separate compilation 
> model would preclude it.

  Although if you used a template you could pull it off... I 
think... But you'd need the sources for that.

  void multiOut(T)(out T outType) {
    outType = 100;
  }

  int a;
  char b;

  multiOut(a);
  multiOut(b);

  assert(a == 100);
  assert(b == 100);