Pages
Brent's blogging goal
Categories
Tags
announcement applicative BlogLiterately category theory collaborative editing combinatorial species combinatorics darcs diagrams drawing EDSL FringeDC functional programming functor GHC ghci grad school graphics hackathon Hac φ haskell ICFP knowledge library list monad monads monoid partitions patch theory pedagogy Philadelphia pictures preorder programming reading release species talk tutorial type-level Typeclassopedia types UPenn xmonadArchives
- May 2013 (1)
- April 2013 (3)
- March 2013 (2)
- January 2013 (2)
- December 2012 (2)
- November 2012 (4)
- October 2012 (3)
- August 2012 (4)
- July 2012 (5)
- June 2012 (1)
- March 2012 (1)
- January 2012 (1)
- November 2011 (4)
- October 2011 (3)
- September 2011 (2)
- August 2011 (2)
- July 2011 (2)
- June 2011 (1)
- May 2011 (6)
- April 2011 (2)
- March 2011 (1)
- February 2011 (3)
- January 2011 (1)
- December 2010 (2)
- November 2010 (3)
- October 2010 (1)
- September 2010 (1)
- August 2010 (3)
- July 2010 (2)
- June 2010 (3)
- May 2010 (3)
- April 2010 (3)
- March 2010 (2)
- February 2010 (1)
- January 2010 (1)
- December 2009 (2)
- October 2009 (3)
- September 2009 (2)
- August 2009 (4)
- July 2009 (7)
- June 2009 (1)
- May 2009 (2)
- April 2009 (1)
- March 2009 (2)
- February 2009 (3)
- January 2009 (3)
- December 2008 (2)
- September 2008 (2)
- August 2008 (1)
- July 2008 (3)
- June 2008 (1)
- April 2008 (4)
- March 2008 (4)
- February 2008 (4)
- January 2008 (2)
- December 2007 (4)
- October 2007 (2)
- September 2007 (2)
- August 2007 (3)
- June 2007 (2)
Top Posts
Blogroll
Fun
Personal
Meta
Monthly Archives: August 2011
Unbound now supports “set” binders and GADTs
I have just uploaded version 0.3 of the Unbound library (and version 0.5 of RepLib). This version adds support for two major new features: The new permbind and setbind functions create binders that are alpha-equivalent “up to permutation”. For example, … Continue reading
Posted in haskell, projects
Leave a comment
Idempotent Template Haskell
Yesterday I was looking for a way to have some Template Haskell code generate a definition for a certain identifier if and only if such a definition did not already exist. Essentially I want to be able to call the … Continue reading
