map and fmap

Ross Paterson ross at soi.city.ac.uk
Tue Aug 29 07:58:23 EDT 2006


On Tue, Aug 29, 2006 at 07:58:58AM +0200, John Hughes wrote:
> [Iavor wrote:]
> >I just checked the reports for Haskell 1.3 and 1.4 on the Haskell
> >website and they both state that the method of 'Functor' was 'map'.
> 
> Good Lord, I'd forgotten that! So I'm afraid I've also forgotten the 
> details of the arguments that led to fmap being introduced--maybe others 
> can fill them in.

http://www.cs.chalmers.se/~rjmh/Haskell/Messages/Decision.cgi?id=362



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