A good way to practice is to implement all functions that you know from Data.List. Most (all?) can be implemented using recursion, and then a subsequent excercise would be to refactor them using foldr, foldl etc.

On 11 May 2015 at 21:14, Roelof Wobben <r.wobben@home.nl> wrote:

I want to learn Haskell but still have some problems on using recursion. On simple tasks I can make it work but for example the tower of Hanoi I cannot figure out how things are can be solved.

Is there a book or tutorial with exercises so I can pratice it

Roelof

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Regards

Sumit Sahrawat