On Tue, 26 Aug 2003 14:33:28 +1000, "Thomas L. Bevan"
<[EMAIL PROTECTED]> wrote:
>Hi,
>
>I'd like some help building an IO StateTransformer which can be escaped midway
>through without losing the state accummulated up to that point.
>I tried constructing a
> StateT s MaybeIO a monad but the state
G'day all.
On Tue, Aug 26, 2003 at 02:33:28PM +1000, Thomas L. Bevan wrote:
> I'd like some help building an IO StateTransformer which can be
> escaped midway through without losing the state accummulated up to
> that point.
A simple way to do this is to use a ReaderT monad stacked on top of IO,
Hi,
I'd like some help building an IO StateTransformer which can be escaped midway
through without losing the state accummulated up to that point.
I tried constructing a
StateT s MaybeIO a monad but the state is lost when the rest of
the monad collapses.
Tom
__
