Its possible to use abstractions that aren't inversions or leaky. Practically no one does a good job of it, so you are correct in practice and experience, alth

Its possible to use abstractions that aren't inversions or leaky. Practically no one does a good job of it, so you are correct in practice and experience, although in theory it is possible and sometimes people do pull it off successfully. http://en.wikipedia.org/wiki/Abstraction_inversion http://en.wikipedia.org/wiki/Abstraction_inversion http://en.wikipedia.org/wiki/Leaky_abstraction http://en.wikipedia.org/wiki/Leaky_abstraction