[Haskell-cafe] Arrow transformers: how to make them wright?

David Menendez dave at zednenem.com
Tue Aug 31 14:38:31 EDT 2010

On Tue, Aug 31, 2010 at 2:07 PM, Permjacov Evgeniy <permeakra at gmail.com> wrote:
>  A Control.Arrow in base package introduces an arrow type, and ghc have
> good support for arrow notation. Many things, avaible in monads, are
> avaible in arrows as well. There is an arrows package, that introduces
> some arrow classes : state, reader, writer and so on. However, it does
> not introduce systematic lifting of arrow classes operations.

Are you referring to the arrows package at
<http://hackage.haskell.org/package/arrows>? If so, what do you mean
by "systematic lifting", because it does lift operations through the
transformers where possible.

Dave Menendez <dave at zednenem.com>

More information about the Haskell-Cafe mailing list