Pure logger typeclass and monad transformer; profiling libraries

 This package provides a typeclass for logging in pure code, or more generally,
 in any kind of context. You can do whatever you want with logs, especially get
 them, clear them or even sink them through 'IO' if you're logging in MonadIO.
 .
 This package provides a library for the Haskell programming language, compiled
 for profiling. See http://www.haskell.org/ for more information on Haskell.