dev-haskell/microlens-mtl
microlens support for Reader/Writer/State from mtl
USE Flags
doc
Global: Adds extra documentation (API, Javadoc, etc)
hscolour
* This flag is undocumented *
profile
Global: Adds support for software performance analysis (will likely vary from ebuild to ebuild)
hoogle
* This flag is undocumented *