Switch to FunctionImplementations

[mtfishman]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 90.90909% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 93.35%. Comparing base (bd2d640) to head (11a2331).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...bstractdiagonalarray/diagonalarraydiaginterface.jl	89.28%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #59      +/-   ##
==========================================
+ Coverage   92.75%   93.35%   +0.60%     
==========================================
  Files          15       15              
  Lines         552      557       +5     
==========================================
+ Hits          512      520       +8     
+ Misses         40       37       -3     

Flag	Coverage Δ
docs	18.05% <48.00%> (+0.87%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.