Zig vs D generics

[Ola Fosheim Grøstad]

On Monday, 10 October 2022 at 09:55:32 UTC, Ola Fosheim Grøstad 
wrote:
> On Monday, 10 October 2022 at 07:30:38 UTC, Kagamin wrote:
>> Eh? So can C++ support an allocator that works both at compile 
>> time and at run time? I use such allocator in my D code so 
>> it's ctfeable.
>
> No, only encapsulated types can hold memory. This is the right 
> approach when you don't have garbage collection. If you allow 
> manual compile time allocation you end up with something that 
> doesn't scale in terms of debugging.
>
> Or you need a very advanced debugger.

Argh, I couldn't make this work either in C++20. I thought 
std::string("hello world) should be constexpr returnable. 
Apparently not, unless I did something wrong. (That is a big 
weakness, so I really hope I did something wrong. ;-)