Bob Fang questions

• Python: equality for Nan in a list?
• How can I know how many free bits are there in a pointer?
• Why product use more memory than record?
• Is there an indexed list in Haskell and is it good or bad?
• OCaml: How to handle sum type properly?
• Initialize static const std::map during compile time?
• Will run_in_executor ever block?
• What does these few lines do as a small test framework in C++?
• Does __ne__ use an overridden __eq__?
• How to reverse an __m128 type variable?

Bob Fang answers