Haskell Software Transactional Memory library for GHC; profiling libraries

 Provides a Haskell Software Transactional Memory (STM) library.
 STM is a modular composable concurrency abstraction.
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 This package provides a library for the Haskell programming language, compiled
 for profiling. See http://www.haskell.org/ for more information on Haskell.