Proposal: improve the Data.Tree API

Henning Thielemann schlepptop at
Mon Feb 24 10:48:57 UTC 2014

Am 24.02.2014 11:39, schrieb João Cristóvão:

> -- | Length of the tree
> length :: Tree a -> Int

This one could be implemented more generally (maybe additionally) in 
Data.Foldable. But this would be another proposal.

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