8 Mar
2015
8 Mar
'15
12:33 p.m.
On Sat, Mar 7, 2015 at 6:08 PM, Ben Franksen <ben.franksen@online.de> wrote:
David Feuer wrote:
FTP sets up the expectation that foldl has a specific relationship to foldMap.
How does foldl have a more specific relationship with foldMap than foldl'? Both are currently methods of class Foldable, BTW.
Yes, and each is expected to have a specific relationship to foldMap. Changing the foldl for lists breaks that. David