libghc-bimap-dev 0.4.0-1build1 (amd64 binary) in ubuntu kinetic

 A data structure representing a bidirectional mapping between two
 key types. Each value in the bimap is associated with exactly one
 value of the opposite type.
 .
 This package provides a library for the Haskell programming language.
 See http://www.haskell.org/ for more information on Haskell.