Add note about Result to find_or_last and find_or_first

[axelkar]

See GH-983

@phimuemue

Is the wording okay? What about the explicit type definition?

[phimuemue]

What about the explicit type definition?

We can use them where needed, otherwise elide them.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 94.30%. Comparing base (6814180) to head (4313499).
Report is 116 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #984      +/-   ##
==========================================
- Coverage   94.38%   94.30%   -0.08%     
==========================================
  Files          48       49       +1     
  Lines        6665     6712      +47     
==========================================
+ Hits         6291     6330      +39     
- Misses        374      382       +8     

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[phimuemue]

@axelkar Thanks for the update. There are some CI errors. Ours should have been fixed by 4f49f26. Could you rebase and fix yours if needed?

[phimuemue]

Thanks.