[Haskell-cafe] Troubles with Exercise 4.9 from YAHT

[Chaddaï Fouché]

2007/7/15, michael at schmong.org <michael at schmong.org>:
> from YAHT
>
> Exercise 4.9 Write a function elements which returns the elements in a
> BinaryTree
>  .....
>
>        Any clues on how to proceed?

You have to use pattern-matching on the constructors of the
BinaryTree, with a recursive function. Do you understand that ?

-- 
Jedaï