[Haskell] Re: implicit responses/values

[Aaron Denney]

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.

-- 
Aaron Denney
-><-