Try initializing a sparse const array (in .rodata) in C++. It's easy-peasy with C's designated array initializers. With C++, the best you can do is a monstrosit

Try initializing a sparse const array (in .rodata) in C++. It's easy-peasy with C's designated array initializers. With C++, the best you can do is a monstrosity with a constexpr lambda filling out a std::array.