Modified named_arrays.AbstractFunctionArray to support subclasses.

[roytsmart]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 97.91667% with 1 line in your changes missing coverage. Please review.
✅ Project coverage is 95.75%. Comparing base (e918d0c) to head (081adba).
⚠️ Report is 13 commits behind head on main.

Files with missing lines	Patch %	Lines
...rrays/_functions/function_named_array_functions.py	83.33%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #129      +/-   ##
==========================================
- Coverage   95.76%   95.75%   -0.01%     
==========================================
  Files          84       84              
  Lines       12689    12708      +19     
==========================================
+ Hits        12151    12169      +18     
- Misses        538      539       +1     

Flag	Coverage Δ
unittests	95.75% <97.91%> (-0.01%)	⬇️

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