This already exists with macros, templates, and compiler extensions, if you want...

pjmlp · 2025-04-23T21:57:03 1745445423

Depends on the C++ version.

With C++23 can be made relatively readable, and with the right compiler, builds within sensible timeframe.

jjmarr · 2025-04-23T22:15:31 1745446531

C++23 doesn't have full reflection yet. That's coming in C++26.

I've seen the vast majority of build time in a very large C++23 project be taken up by reflection in fmtlib and magic_enum because both have to use templates (I think).

vitaut · 2025-04-25T21:14:09 1745615649

{fmt} doesn't use reflection and is optimized for build speed using type erasure: https://vitaut.net/posts/2024/faster-cpp-compile-times/

pjmlp · 2025-04-24T05:02:29 1745470949

I didn't said it has, rather that template metaprogramming can be both readable, and with the right compiler relatively fast.