Nice, thank you. I was wondering recently what was the current state of Gabriel's pipes and Paolo's guarded variant. IIRC, they were working on a converging branch with good support at resources early termination. On Sun, 26 Feb 2012 10:50:22 +0000, Daniel Waterworth <da.waterworth@gmail.com> said: Daniel> Hi all, Daniel> There's seems to be a growing trend amongst the Haskell community for Daniel> writing replacements of enumerator. It's shortcomings are well Daniel> documented, but the solution is, IMO, undecided. This is my attempt: Daniel> https://gist.github.com/1915841 Daniel> I have largely copied pipes' concept. The major difference is that Daniel> pipes are now able to push, pull, complete or throw an error. Errors Daniel> are propagated up and down a pipeline, triggering all of the error Daniel> handlers. The library is in a fairly unrefined state, but the core Daniel> functionality is there. Daniel> I look forward to your feedback, Daniel> Daniel -- Paul