[Haskell-cafe] Beautiful Differentiation using VectorSpace

2010-08-13 Thread Christopher Witte
Hi all, I'm trying to go through the paper Beautiful Differentiation by Conal Elliott and got a bit stuck. So I decided to download the VectorSpace package, which as far as I know implements the paper, and just try and play around with it. Unfortunately when I tried the simple examples at the be

Re: [Haskell-cafe] Re: Can we come out of a monad?

2010-08-03 Thread Christopher Witte
On 3 August 2010 01:34, Richard O'Keefe wrote: > There's a thing I'm still finding extremely hard about monads, > and that's how to get into the frame of mind where inventing > things like Monad and Applicative and Arrows is something I could > do myself. Functor, yes, I could have invented Func