We do have all safe integers inline (and most doubles too). I answered about NaN boxing somewhere here but basically, we get quite a bit of mileage from our ta

We do have all safe integers inline (and most doubles too). I answered about NaN boxing somewhere here but basically, we get quite a bit of mileage from our tagged union / enum / ADT based Value, so I don't think I'd change to NaN boxing now even if I could.