Int extraction

[samuelcolvin]

Related to PyO3/pyo3#3742, but might still be faster as the error case is lighter here.

[codecov]

Codecov Report

Merging #1155 (b81ae9f) into main (5791667) will increase coverage by 0.00%.
The diff coverage is 92.85%.

❗ Current head b81ae9f differs from pull request most recent head 16a3c25. Consider uploading reports for the commit 16a3c25 to get more accurate results

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1155   +/-   ##
=======================================
  Coverage   89.94%   89.95%           
=======================================
  Files         106      106           
  Lines       16437    16448   +11     
  Branches       36       36           
=======================================
+ Hits        14784    14795   +11     
  Misses       1646     1646           
  Partials        7        7           

Files	Coverage Δ
src/errors/types.rs	99.68% <100.00%> (ø)
src/errors/value_exception.rs	89.65% <100.00%> (ø)
src/input/input_python.rs	97.79% <100.00%> (ø)
src/input/return_enums.rs	84.97% <100.00%> (ø)
src/lookup_key.rs	92.69% <100.00%> (ø)
src/tools.rs	97.95% <100.00%> (+0.39%)	⬆️
src/serializers/infer.rs	94.57% <66.66%> (-0.24%)	⬇️
src/serializers/type_serializers/literal.rs	76.69% <50.00%> (ø)

... and 4 files with indirect coverage changes

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[codspeed-hq]

CodSpeed Performance Report

Merging #1155 will improve performances by 14.16%

_{Comparing int-extract (16a3c25) with main (5791667)}

Summary

⚡ 3 improvements
✅ 139 untouched benchmarks

🆕 1 new benchmarks

Benchmarks breakdown

	Benchmark	main	int-extract	Change
⚡	test_json_direct_list_int	665.1 µs	582.6 µs	+14.16%
⚡	test_model_list_core_json	741.4 µs	659 µs	+12.51%
🆕	test_strict_int_fails	N/A	39.1 µs	N/A
⚡	test_ser_list_of_lists	7 ms	6.1 ms	+13.37%