On Sat, Jun 16, 2012 at 3:47 AM, Dan Burton wrote:
>
> Convenience aside, doesn't the functor instance conceptually violate some
> sort of law?
>
> fmap (const 1) someSet
>
> The entire shape of the set changes.
>
> fmap (g . h) = fmap g . fmap h
>
> This law wouldn't hold given the following con
Announcing FunctionalOWL in Bielefeld!
Next Wednesday will be the first meetup of the
FunctionalOWL at Hackerspace Bielefeld. The meetup
is aimed at people who are interested in functional programming.
FunctionalOWL wants to provide a wide range of interesting topics
and opportunities to share an
We are happy to announce a new release of Eden, a parallel extension of
Haskell. The release comprises:
* The GHC-7.4.2-Eden compiler: GHC-7.4.2 extended with the Eden parallel
runtime system.
* The Eden modules: a library defining the Eden language constructs.
* The Eden skeleton library: a compr
Convenience aside, doesn't the functor instance conceptually violate some
sort of law?
fmap (const 1) someSet
The entire shape of the set changes.
fmap (g . h) = fmap g . fmap h
This law wouldn't hold given the following contrived ord instance
data Foo = Foo { a, b :: Int }
instance Ord Foo wh