Creating the scalars map for each node was expensive, and would in many
cases sit unused. Now we initialize it only before use, which shaves off
almost a million allocations from `regal lint bundle`, and I imagine is
quite a boost for evaluation of many other policy types.
Also:
- Add benchmarks for the indexer that I used to try things out
- Avoid a few heap allocations by avoiding interface boxing to Value
Signed-off-by: Anders Eknert <anders.eknert@apple.com>
Co-authored-by: Stephan Renatus <stephan.renatus@gmail.com>
Anders Eknert
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