Its crazy to me how little effort publishers put into the basic parts of their job sometimes. Its even funnier that raymond chen of all people is the one calling this out

auto get_xyz_position() -> std::unordered_map<std::string, double *> { ... }

It reminds me of an incident involving an old colleague of mine at some kind of graduate recruitment fair thing. He walked past a stand which was trying to hire engineers which had some code on the wall when the following exchange happened:

   Recruiter: Hey there! <indicates the code> Do you know what this is?
   Colleague: Err, <looks…thinks for a bit>… It *looks* like some sort of network protocol
   Recruiter: <smug> No, it’s *COMPUTER CODE*