On Mon, Dec 19, 2005 at 10:21:36PM +1300, Karl Grapone wrote:
> I still find monadic signatures a little confusing, I believe ghci
> was, at some point, deriving types for f or g that had MonadError in
> place of Either String, so I'll have to think carefully about why it
> is so different from the
On 12/19/05, Andrew Pimlott <[EMAIL PROTECTED]> wrote:
> [It is best to post questions only to haskell-cafe.]
Roger.
>
> On Mon, Dec 19, 2005 at 03:53:53PM +1300, Karl Grapone wrote:
> > I'm having trouble making use of MonadError within another Monad, in
> > this case IO.
snip
> Looking at the s
[It is best to post questions only to haskell-cafe.]
On Mon, Dec 19, 2005 at 03:53:53PM +1300, Karl Grapone wrote:
> I'm having trouble making use of MonadError within another Monad, in
> this case IO.
> I've blundered around for a while, trying various combinations of
> things, but I don't think
Hi,
I'm having trouble making use of MonadError within another Monad, in
this case IO.
I've blundered around for a while, trying various combinations of
things, but I don't think I've fully cottoned-on to nesting of monads.
Following is some code which does not compile, but hopefully shows you
wh
