Maps with intervals as keys offering efficient search. Home page: http://www.chr-breitkopf.de/comp/haskell/index.html#IntervalMap Install from hackage with cabal install. To run the tests, do extract the archive, and do $ cabal configure --enable-tests $ cabal build $ cabal test -- Christoph Breitkopf <chbreitkopf@gmail.com> Last edit: 2011-12-09