28 Sep
2007
28 Sep
'07
6:24 p.m.
On 9/28/07, Ross Paterson <ross@soi.city.ac.uk> wrote:
However one can define
reversor :: Traversable f => f a -> f a
which returns something of the same shape, but with the contents reversed.
How? Is it possible to define a version of foldl for Traversable?