Printing shortest decimal form of floating point number with Mir

[Ola Fosheim Grøstad]

On Monday, 4 January 2021 at 05:55:37 UTC, Ola Fosheim Grostad 
wrote:
> On Monday, 4 January 2021 at 04:37:22 UTC, 9il wrote:
>> I suppose the answer would be that D doesn't pretend to 
>> support all C++ template features and the bug is not a bug 
>> because we live with this somehow for years.
>
> But it is a bug even if there was no C++... An alias should 
> work by simple substitution, if it does not, then it is no 
> alias...

Here is an even simpler example that does not work:

struct Foo(T){}
void foo(T)(T!int x) {}

alias FooInt = Foo!int;

void main() {
     foo(FooInt());
}