@marie_joseph @rysiek @cwebber ... This is what pretty much every JavaScript implementation does ...
@cwebber @marie_joseph @rysiek yeah, variants are implemented by boxing non numbers inside the spare bits of NaNs. You get 52 bits or something like that there?
@rysiek @cwebber @marie_joseph it's basically the One Weird Trick to high performance dynamic language implementations
You stuff your pointers into NANs or you go slow
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@erincandescent @rysiek @cwebber @marie_joseph@eldritch.cafe relevant https://softwareengineering.stackexchange.com/a/185431
