I didn't even know about it until today, very impressive. Generic SoA in less than 500 lines of userland code...
https://github.com/ziglang/zig/blob/master/lib/std/multi_arr...
https://github.com/ziglang/zig/blob/master/lib/std/multi_arr...
Zig's still got it beat handily in simplicity though -- I think what's really cool about Zig's idea of comp-time evaluation is you get something like the power of C++ with something like the simplicity of C.