inline PrimitiveArray::value

[ritchie46]

This PR add #[inline] tags to PrimitiveArray::value and PrimitiveArray::value_unchecked, both do simple ptr arithmetic and may benefit from inlining.

#328

[codecov-commenter]

Codecov Report

Merging #329 (be9ccdb) into master (7f37a7f) will decrease coverage by 0.00%.
The diff coverage is n/a.

❗ Current head be9ccdb differs from pull request most recent head fda12d3. Consider uploading reports for the commit fda12d3 to get more accurate results

@@            Coverage Diff             @@
##           master     #329      +/-   ##
==========================================
- Coverage   82.52%   82.52%   -0.01%     
==========================================
  Files         162      162              
  Lines       44021    44021              
==========================================
- Hits        36329    36328       -1     
- Misses       7692     7693       +1     

Impacted Files	Coverage Δ
arrow/src/array/array_primitive.rs	92.93% <ø> (ø)
arrow/src/array/transform/boolean.rs	76.92% <0.00%> (-7.70%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7f37a7f...fda12d3. Read the comment docs.

[Dandandan]

Thanks @ritchie46