try to hit some optimizations

[davidhewitt]

Try some golfing having been nerd-sniped this morning.

[codecov[bot]]

Codecov Report

Merging #44 (113e59f) into main (36b2354) will increase coverage by 0.01%. The diff coverage is 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #44 +/- ## ========================================== + Coverage 89.56% 89.58% +0.01% ========================================== Files 8 8 Lines 1045 1047 +2 ========================================== + Hits 936 938 +2 Misses 109 109 ``` | [Files](https://app.codecov.io/gh/pydantic/jiter/pull/44?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pydantic) | Coverage Δ | | |---|---|---| | [src/parse.rs](https://app.codecov.io/gh/pydantic/jiter/pull/44?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pydantic#diff-c3JjL3BhcnNlLnJz) | `98.18% <100.00%> (+0.02%)` | :arrow_up: | ------ [Continue to review full report in Codecov by Sentry](https://app.codecov.io/gh/pydantic/jiter/pull/44?src=pr&el=continue&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pydantic). > **Legend** - [Click here to learn more](https://docs.codecov.io/docs/codecov-delta?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pydantic) > `Δ = absolute (impact)`, `ø = not affected`, `? = missing data` > Powered by [Codecov](https://app.codecov.io/gh/pydantic/jiter/pull/44?src=pr&el=footer&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pydantic). Last update [36b2354...113e59f](https://app.codecov.io/gh/pydantic/jiter/pull/44?src=pr&el=lastupdated&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pydantic). Read the [comment docs](https://docs.codecov.io/docs/pull-request-comments?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pydantic).

[codspeed-hq[bot]]

CodSpeed Performance Report

Merging #44 will degrade performances by 14.38%

_{Comparing dh/optimizations (113e59f) with main (36b2354)}

Summary

❌ 3 regressions ✅ 34 untouched benchmarks

:warning: Please fix the performance issues or acknowledge them on CodSpeed.

Benchmarks breakdown

	Benchmark	main	dh/optimizations	Change
❌	true_array_jiter_value	53.8 µs	62.9 µs	-14.38%
❌	big_jiter_value	283.9 ms	319.8 ms	-11.23%
❌	python_parse_true_array	58.2 µs	67.2 µs	-13.4%