auto limitation?

[Namespace]

On Tuesday, 11 September 2012 at 21:13:02 UTC, bearophile wrote:
> Namespace:
>
>> I have this code, but it works not as expected:
>> http://dpaste.dzfl.pl/6ce5b4dd
>
> I suggest to file a bug:
>
>
> auto foo(bool b) {
>     final switch (b) {
>         case true:
>             return 10;
>         case false:
>             return 20.0;
>     }
> }
> void main() {
>     import std.stdio: writeln;
>     writeln(foo(true));
>     writeln(foo(false));
> }
>
>
> The acceptable results are a compile-time error for type 
> mismatch, or a conversion of both literals to double. Probably 
> the second is better. But a silent bit-level cast is not 
> acceptable.
>
> Bye,
> bearophile

Sure that is the first i will do tomorrow.
But so far no suggestions?