Asymptotically optimal Brodal/Okasaki heaps. http://github.com/ekmett/heaps/
See all snapshots heaps appears in
This package provides Brodal/Okasaki heaps. These are asymptotically optimal purely functional heaps.
Contributions and bug reports are welcome!
Please feel free to contact me through github or on the #haskell IRC channel on irc.freenode.net.