Sorry for the double send, Henning. I forgot the list. http://hackage.haskell.org/packages/archive/total-map/0.0.4/doc/html/Data-To... On Wed, Nov 14, 2012 at 2:46 PM, Henning Thielemann < lemming@henning-thielemann.de> wrote:
An ZipList-like Applicative instance for Data.Map would be nice. I have an application where I like to write liftA3 f amap bmap cmap meaning Map.intersectionWith ($) (Map.intersectionWith f amap bmap) cmap
But I cannot complete the instance implementation because there is no sensible definition for 'pure' for Data.Map. :-(
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