@hackage HList0.4.2.0

Heterogeneous lists

(C) 2004--2010, Oleg Kiselyov, Ralf Laemmel, Keean Schupke

Contributors: Justin Bailey, Brian Bloniarz, Gwern Branwen, Einar Karttunen, and Adam Vogt

The HList library and samples

Getting the code

darcs get http://code.haskell.org/HList

Pushing changes

You need an account at code.haskell.org

cd HList darcs pull user@code.haskell.org:/srv/darcs/HList darcs record darcs push

This distribution covers all essential issues discussed in the HList paper, though the implementation has been adapted to ghc features implemented after the paper's writing.

Additional examples and HList operations are provided. The code from the database section of the HList paper is not included since doing so would have implied inclusion of substantial packages, namely the underlying infrastructure for database access library.

You can get HList from Hackage or from Darcs:

$ cabal update && cabal install HList

Or:

$ darcs get --partial http://code.haskell.org/HList/ $ cd HList; cabal install

The code works --- within the limits exercised in the source files --- for GHC-7.6 and GHC-7.8 and GHC-7.10. Older compilers are not supported.

One may run "cabal test" to check the distribution.

See ChangeLog for updates.