BSD3 licensed by Edward A. Kmett
Maintained by Edward A. Kmett

Module documentation for 0.3.6


Hackage Build Status

This package provides Brodal/Okasaki heaps. These are asymptotically optimal purely functional heaps.

Contact Information

Contributions and bug reports are welcome!

Please feel free to contact me through github or on the #haskell IRC channel on

-Edward Kmett


0.3.6 [2018.01.18]

  • Add Semigroup instance for Heap.


  • Support doctest-0.12

  • Fix a typo in the doctests for mapMonotonic


  • Add Bifunctor Entry instance
  • Revamp Setup.hs to use cabal-doctest. This makes it build with Cabal-2.0, and makes the doctests work with cabal new-build and sandboxes.


  • Remove redundant constraints
  • Build warning-free on GHC 8.0-rc1

  • Haddock fix


  • Build without warnings on GHC 7.10
  • Overload Foldable null and length on GHC 7.10+


  • Explicit nominal role annotation

  • Nicer formatting of the haddocks

Depends on 1 package:
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