gseitz/scalaz — comment on commit a380e9491a253eace05adef1e9004575323e57de
File: core/src/main/scala/scalaz/Contravariant.scala line 26
By retronym:

This will be blown away by `gen-type-class`. Plus it belongs in `object Equal`, which is the data structure in this case, rather than here, in the type class companion.