Taylan (Male Feminist Arc) on Nostr: You can store 52-bit integers in a NaN, pack and unpack them with a single XOR/mask, ...

You can store 52-bit integers in a NaN, pack and unpack them with a single XOR/mask, and still have space left for 48-bit pointers and 21-bit Unicode code points.

https://tkammer.de/zisp/notes/nan.html