Make EcoVec::extend_from_trusted public

[kaikalii]

Add the bound I::IntoIter: ExactSizeIterator to try to prevent unsafe usage.

I need this so I can do no-Clone extension without the overhead of the safe Extend::extend implementation referenced in #38.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 88.09%. Comparing base (bb20e5d) to head (0b0a84d).

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Additional details and impacted files

@@            Coverage Diff             @@
##             main      #39      +/-   ##
==========================================
+ Coverage   88.04%   88.09%   +0.04%     
==========================================
  Files           3        3              
  Lines        1096     1100       +4     
==========================================
+ Hits          965      969       +4     
  Misses        131      131              

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[laurmaedje]

Unfortunate that TrustedLen is unstable. I wonder whether we should keep count in the method signature though or whether we should rather use the len() method of ExactSizeIterator?

[kaikalii]

I think that makes more sense. Updated.

[laurmaedje]

Thanks! Do you want a release?

[kaikalii]

That would be great.

[laurmaedje]

Done.