libghc-generic-lens-dev - 2.0.0.0-1 main

This library uses GHC.Generics to derive efficient optics
(traversals, lenses and prisms) for algebraic data types in a
type-directed way, with a focus on good type inference and error
messages when possible.
.
This package provides a library for the Haskell programming language.
See http://www.haskell.org/ for more information on Haskell.