libghc-profunctors-dev 4.0.1-1build1 (powerpc binary) in ubuntu trusty

 Profunctors are a generalization of relations and also of bimodules.
 They are related to the notion of correspondences.
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 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.