Pre-proposal discussion: add a version of dropWhileEnd with different laziness properties to Data.List

Greg Weber greg at
Mon Sep 29 21:31:56 UTC 2014

> > Do you mean system-filepath [1]?
> No.  The api is ok, but performance is terrible because everything is a
> String.  Traversing large directories in Haskell is orders of magnitude
> slower than it should be (unless you use posix-paths, which obviously isn't
> portable).  I mean something that internally uses a RawFilePath on posix
> systems and some windows-specific thing on Windows.
I don't know how to reconcile this statement with how find-conduit was
benchmarked to operate about as fast as GNU grep since it uses
system-filepath. I am probably missing something important.

> _______________________________________________
> Libraries mailing list
> Libraries at
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <>

More information about the Libraries mailing list