Adding (??) into Data.Functor
Andreas Abel
abela at chalmers.se
Mon Feb 17 08:41:59 UTC 2014
I am a -1 on both proposals, i.e., on having a special map for the
"apply to a fixed argument" case.
On 16.02.2014 21:42, Nikita Volkov wrote:
> Also, since the variable input of this combinator seems to be on the
> functor side I suggest to inverse the arguments order order, i.e.:
>
> mapf :: a -> f (a -> b) -> f b
>
> This way it'll target composition. And since it's a combinator over
> functions it's a pretty important thing. E.g.:
> mapf 2 . map (*) $ [1..10]
I'd simply write
map (2 *) [1..10]
Cheers,
Andreas
--
Andreas Abel <>< Du bist der geliebte Mensch.
Depeartment of Computer Science and Engineering
Chalmers and Gothenburg University, Sweden
andreas.abel at gu.se
http://www2.tcs.ifi.lmu.de/~abel/
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