writeln and write at CTFE

[Guillaume Piolat]

On Wednesday, 13 January 2021 at 08:35:09 UTC, Andrey wrote:
> Hello all,
> Tell me please how can I "writeln" and "write" in function that 
> is used in CTFE?
> At the moment I get this:
>> import\std\stdio.d(4952,5): Error: variable impl cannot be 
>> modified at compile time
>
> Or may be exist some other ways to do it?

pragma(msg, <compile-time-expr>);