[Haskell] Re: implicit responses/values
wnoise at ofb.net
Fri Sep 16 19:16:44 EDT 2005
On 2005-09-16, S. Alexander Jacobson <alex at alexjacobson.com> wrote:
> I am now using implicit parameters quite happily. But I also feel the
> need for the reverse. There are occasions where I want to pass a
> value back through the set of calling functions e.g. produce HTTP
> cache header info through functions that are not really about that.
> I am not sure how this would work, but it strikes me as useful.
> Anything like that in the offing?
Monads. Implicit parameters can be thought of as co-monad.
More information about the Haskell