Eric Niebler @ericniebler.com 路 Dec 24 No Advent of Code for me. Instead, I've used the break to write the type-erasure library I have always wanted. C++ doesn't make it easy to have both dynamic polymorphism *and* value semantics, but this little utility does! Interfaces can extend other interfaces, and it works in consteval, too. 馃ぉ
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std::polymorphic and std::indirect are also coming with c++26. finally, we'll have standard vocabulary types for value based polymorphism.
Golly C++ folks are a different breed. I鈥檝e been writing software for a long time and I have absolutely no idea what鈥檚 going on here.
I'm missing something on how you manage to get "any" to call the explicit type. Maybe you're deducing an explicit type through implicit construction, CTAD or similar to be able to delegate in have model actually filled in? Def. would be interested to read more
godbolt.org/z/avMYaTor8 I love how clang just optimizes the whole thing away.