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.