Raw I/O library proposal, second (more pragmatic) draft
John Meacham
john@repetae.net
Thu, 7 Aug 2003 16:06:03 -0700
On Thu, Aug 07, 2003 at 10:13:12AM +0100, Simon Marlow wrote:
>
> > Unless of course your stream type is a type constructor:
> >
> > class InputStream s where
> > streamGet :: s m e -> m e
> > ...
>
> I can see the advantage in abstracting over the element type (in fact, I
> think I'll explore that).
>
> What would be the motivation for abstracting over the monad type? IMHO,
> it has to be done consistently or not at all. That is, *all* our IO
> code should be abstracted over the monad, and I don't think that's a
> good idea.
ArrayStreams could be implemented in the state monad. Not sure how
useful this is, but I imagine people would use it if it were available.
John
--
---------------------------------------------------------------------------
John Meacham - California Institute of Technology, Alum. - john@foo.net
---------------------------------------------------------------------------