dev-haskell/generic-lens-labels
GHC.OverloadedLabels.IsLabel instance for lenses from ghc-generics
USE Flags
doc
Global: Adds extra documentation (API, Javadoc, etc)
hscolour
* This flag is undocumented *
hoogle
* This flag is undocumented *
profile
Global: Adds support for software performance analysis (will likely vary from ebuild to ebuild)