in C++ it's simple enough that you can build one accidentally https://philippegroarke.com/posts/2020/constexpr_fsm/ https://philippegroarke.com/posts/2020/const

in C++ it's simple enough that you can build one accidentally https://philippegroarke.com/posts/2020/constexpr_fsm/ https://philippegroarke.com/posts/2020/constexpr_fsm/ :p