libghc-static-hash-prof 0.0.1-14 (amd64 binary) in ubuntu groovy

 Pure immutable hash whose lookup is O(1) on the average, but O(N) in the
 worst case.
 .
 This package provides a library for the Haskell programming language, compiled
 for profiling. See http://www.haskell.org/ for more information on Haskell.