@ -479,4 +479,25 @@ Haskell. Verfübar über [hackage](https://hackage.haskell.org/package/aeson) un
- [Parsing non-deterministic data with aeson and sum types ](http://bitemyapp.com/posts/2014-04-17-parsing-nondeterministic-data-with-aeson-and-sum-types.html )
- [Aeson tutorial ](https://www.fpcomplete.com/school/starting-with-haskell/libraries-and-frameworks/text-manipulation/json )
- [Aeson tutorial ](https://www.fpcomplete.com/school/starting-with-haskell/libraries-and-frameworks/text-manipulation/json )
# Graph Algorithmen und Datenstrukturen
- Das [fgl Paket ](https://hackage.haskell.org/package/fgl ) im Besonderen die
puren, funktionalen kürzester Pfad [Algos ](http://hackage.haskell.org/package/fgl-5.4.2.2/docs/Data-Graph-Inductive-Query-SP.html ).
- [Inductive graphs and Functional Graph Algorithms ](http://web.engr.oregonstate.edu/~erwig/papers/abstracts.html#JFP01 ).
- [FGL/Haskell - A Functional Graph Library ](http://web.engr.oregonstate.edu/~erwig/fgl/haskell/old/fgl0103.pdf ).
- [Data.Graph Quellcode vom Containers Paket ](http://hackage.haskell.org/package/containers-0.5.5.1/docs/Data-Graph.html ).
- Das [graphs Paket ](https://hackage.haskell.org/package/graphs ).
- [SO Frage zu PHOAS ](http://stackoverflow.com/questions/24369954/separate-positive-and-negative-occurrences-of-phoas-variables-in-presence-of-rec )
- [PHOAS for free ](https://www.fpcomplete.com/user/edwardk/phoas ).
- [Tying the Knot ](http://www.haskell.org/haskellwiki/Tying_the_Knot ).
- [Hackage: dag ](https://hackage.haskell.org/package/dag ).