IntMap and IntSet with Enum keys/elements

 This package contains simple wrappers around 'Data.IntMap' and
 'Data.IntSet' with 'Enum' keys and elements respectively.
 Especially useful for 'Int's wrapped with newtype.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.