This package provides functionality for generalising the deriving mechanism in haskell to arbitrary classes. it was first described in the paper:

a generic deriving mechanism for haskell. jose pedro magalhaes, atze dijkstra, johan jeuring, and andres loeh. haskell'10.

this package provides a library for the haskell programming language, compiled for profiling. see http://www.haskell.org/ for more information on haskell.