Printing shortest decimal form of floating point number with Mir

[Ola Fosheim Grøstad]

On Monday, 4 January 2021 at 17:58:35 UTC, Ola Fosheim Grøstad 
wrote:
> On Monday, 4 January 2021 at 17:24:42 UTC, John Colvin wrote:
>>> in your opinion, this should compile and msg `int int`, yes?
>
>
> It does match:
>
> template Q(A : Foo!int) {
>         pragma(msg, A.stringof);
> }
>
>
> So in then it should also match Foo!T, yes?

Please also note that it is completely acceptable to put limits 
on the constraints you are allowed to use on matching in order to 
get good performance, but it should work for the constraints you 
do allow.