instance Applicative Data.Map

Henning Thielemann lemming at
Wed Nov 14 22:06:08 CET 2012

On Wed, 14 Nov 2012, Jake McArthur wrote:

> Sorry for the double send, Henning. I forgot the list.

Nice! That is, you can represent infinite maps where all but one value can 
occur only finitely many times.

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