The Haskell Hackathon day 2. Today we made some good progress on binary serialisation, repackaging of the cypto library, work on the GHCi debugger, parser combinators for binary, ghc + haddock, and of course Hackage and Cabal.

bringert demonstrates how to tie the knot (with naur, kzm and Igloo).

Knot successfully tied.

ndm (Neil Mitchell) demonstrates the Hat tracer.

Dominic Steinitz (foreground) takes apart the crypto package.

Ketil Malde ponders the concurrency primitives.

Lennart Kolmodin explaining why ContT s (StateT b IO a) is so under appreciated.

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