installation

$ cabal install cabal-dev
$ ./bin/setup-koans

This may take time.

run

$ ./bin/basic-functions-koans

This tells you what to do. Modify test/BasicFunctions.hs's replaceValues to let the test passes.

$ ./bin/list-koans
$ ./bin/basic-io-koans
$ ./bin/currification-koans
$ ./bin/parserc-koans