My idea for seamless interop to C++

[jmh530]

On Wednesday, 18 November 2020 at 14:04:36 UTC, Markus wrote:
> Hi there!
>
> For months I've been thinking on how to escape C++.
> Here are my thoughts about that matter:
> https://gitlab.com/qwertzui11/d-to-cpp/-/blob/master/README.md
>
> What do think about that idea. Is it worth a shot? I'm thinking 
> about implementing such a tool.
>
> Have fun,
> Markus

I think I'm missing a few steps.

How does this line work
fun->doFunStuff();
if MarkdownToHtmlImpl only inherits from MarkdownToHtml and not 
FunUseCase?

Wouldn't you want to make a FunUseCase that has 
MarkdownToHtmlImpl (or MarkdownToHtml) as a member?