D23918: RFC: Drop Outputs class

[Vlad Zahorodnii]

zzag added a comment.


  I haven't received any strong arguments why we need a subclass of QVector<AbstractOutput *>. Outputs overloads constructor to implement some sort of covariance. However, that doesn't qualify as a good argument because the right solution would be to add a helper function that could perform these conversions.
  
  In many cases, inheriting from a vector type is a no-no. You should do that only if there's no any other way around.
  
  ---
  
  > This change makes everything too explicit. Boo!
  
  I personally don't consider it to be a problem. That's C++ after all.
  
  Templates are invariant and making conversions between Collection<Base> and Collection<Derived> explicit is a good thing because this way we have less magic in the code.

REPOSITORY
  R108 KWin

REVISION DETAIL
  https://phabricator.kde.org/D23918

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