Here is the example from @odersky et al http://infoscience.epfl.ch/record/215280/files/paper.pdf http://infoscience.epfl.ch/record/215280/files/paper.pdf showin

Here is the example from @odersky et al http://infoscience.epfl.ch/record/215280/files/paper.pdf http://infoscience.epfl.ch/record/215280/files/paper.pdf showing the utility of path dependent types extracted as a gist. https://gist.github.com/arnolddevos/09e5f51ce1436f590c7d https://gist.github.com/arnolddevos/09e5f51ce1436f590c7d To this I added a comparison using type parameters instead.