Random number generation based on entropy sources able to produce a
 small but well-defined set of primitive variates. Also includes
 facilities for "completing" partial implementations, making it easy
 to define new entropy sources in a way that is naturally
 forward-compatible.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.