Commits on Feb 20, 2024

1. Improve performance of custom-iterator __getitem__ …

   Flipping the order of `Slice` and `Int` in `SliceOrInt` so that `Int`
   comes first means that the `FromPyObject` derivation will then try `Int`
   first, which is the correct variant in like 99.9% of uses of the struct.
   This has the impact of improving int `__getitem__` times in the custom
   iterators by about 3x (from 205ns to 61ns on my machine), which has
   knock-on effects for the implicit iterators Python defines for these
   classes.

   

   jakelishman committed Feb 20, 2024
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