Interface-heavy languages break IDEs. In .NET at least, "go to definition" jumps you to the interface definition which you probably aren't interested in (vs. th

Interface-heavy languages break IDEs. In .NET at least, "go to definition" jumps you to the interface definition which you probably aren't interested in (vs. the specific implementation you are trying to dig into). Also with .NET specifically XAML breaks IDE traceability as well.