const and immutable values, D vs C++?

[Ola Fosheim Grostad]

On Thursday, 5 December 2019 at 00:05:26 UTC, Ola Fosheim Grøstad 
wrote:
> On Wednesday, 4 December 2019 at 23:27:49 UTC, Steven 
> Schveighoffer wrote:
>> void main()
>> {
>>     foo!a(); // const(int)
>>     foo!b(); // immutable(int)
>>     foo!c(); // const(int)
>> }
>
> Ok, so one has to use a wrapper and then "catch" the result 
> with auto?
>
> auto x = foo!f();

Nevermind...