[Haskell-cafe] Re: Unsafe IO and Wash

[John Goerzen]

On 2005-02-16, John Goerzen <jgoerzen at complete.org> wrote:
> On Wed, Feb 16, 2005 at 07:16:50AM +0100, Tomasz Zielonka wrote:
>> On Wed, Feb 16, 2005 at 04:33:29AM +0000, John Goerzen wrote:
>> > On a related note, Wash seems to be preserving all sorts of unnecessary
>> > "state" from previous screens a user visited.
>> You do know that the current version of WASH rebuilds the continuation
>> by repeating all the previous steps, don't you? Until WASH can keep the
>
> Yes.  What I don't understand is why.  If I have a submit button, and it
> is passing one value to the next function, and that value is from an
> entry form on the screen, why would I care about all the previous state?
> That's my confusion.  It seems unnecessary.

Perhaps what I'm looking for is something that explicitly says "Wash,
start here, and ignore all of the state leading up to it"...  similar (I
think) to once.  Is that doable?