Why can't we use strings in C++ methods?

[Dadoum]

On Saturday, 4 November 2023 at 12:07:12 UTC, Imperatorn wrote:
> [...]
>
> We can just assume what you're doing on the C++-side. Are you 
> using std::string?
>
> You could try as a pointer + length and it might work, but 
> without seeing your complete code it's quite hard to know what 
> you want to do.

I will use whatever D gives me in the C++ header, because in fact 
I am using Swift on the other side, so using std::string isn't 
useful. I already made a conversion function from Swift strings 
to D strings when they are represented with C linkage.