[WARNING: braindamag(ed|ing) experience following]
Hi all,
a few days ago I decided I desperately needed a set which could
contain (among others) itself. My first idea was
> module Main where
> import List
> import Monad
> data Elem s a = V a | R (s (Elem s a))
Now, a self-containing list can
On Mon, 2005-02-14 at 15:56 +, Simon Marlow wrote:
>
> I don't think a general "things to avoid" section should be advocating
> not naming things... in fact I would advocate the reverse. Name as many
> things as possible, at least until you have a good feel for how much
> point-freeness is go
Hi.
I am trying to install haskell on FC3 following the instructions from
http://www.haskell.org/fedora/ I copied the lines:
[EMAIL PROTECTED] ~# cat /etc/yum.repos.d/haskell.repo
[haskell-stable]
name=Haskell Packages (stable)
baseurl=http://haskell.org/fedora/haskell/$releasever/$basearch/RPMS
On Wed, Feb 16, 2005 at 02:56:11PM -, Simon Marlow wrote:
> > the unsafe_io prevent that?
>
> You can avoid lots of unnecessary state-saving by judicious use of
> WASH's 'once' function. eg.
Hmm. I have tried this, but I'm not seeing any change in the amount of
saved state as a result of u
On Wed, Feb 16, 2005 at 08:30:29AM -0600, John Goerzen wrote:
> Ahh, I think I understand what you're saying... table_io is not
> supposed to be unsafe; that is, it should work without saving data in
> the log even if the input would be different on a different session.
> But yes, if the validatio
On Wed, Feb 16, 2005 at 08:27:31AM -0600, John Goerzen wrote:
> > 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 pas
On 16 February 2005 14:28, John Goerzen wrote:
> On Wed, Feb 16, 2005 at 07:16:50AM +0100, Tomasz Zielonka wrote:
>> On Wed, Feb 16, 2005 at 04:33:29AM +, John Goerzen wrote:
>>> On a related note, Wash seems to be preserving all sorts of
>>> unnecessary "state" from previous screens a user vi
On 16 February 2005 14:30, John Goerzen wrote:
> On Wed, Feb 16, 2005 at 07:31:07AM +0100, Tomasz Zielonka wrote:
>>> verbatim. Any ideas?
>>
>> I have never used table_io. maybe there's a bug in it. Hmmm, it seems
>> to be conceptually wrong. The single purpose of table_io seems to be
>> to avo
On 2005-02-16, John Goerzen <[EMAIL PROTECTED]> wrote:
> On Wed, Feb 16, 2005 at 07:16:50AM +0100, Tomasz Zielonka wrote:
>> On Wed, Feb 16, 2005 at 04:33:29AM +, John Goerzen wrote:
>> > On a related note, Wash seems to be preserving all sorts of unnecessary
>> > "state" from previous screens
On Wed, Feb 16, 2005 at 07:31:07AM +0100, Tomasz Zielonka wrote:
> > verbatim. Any ideas?
>
> I have never used table_io. maybe there's a bug in it. Hmmm, it seems
> to be conceptually wrong. The single purpose of table_io seems to be
> to avoid keeping the result of an IO action in the log. But
On Wed, Feb 16, 2005 at 07:16:50AM +0100, Tomasz Zielonka wrote:
> On Wed, Feb 16, 2005 at 04:33:29AM +, 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
Benjamin Franksen wrote:
This one is a little bit shorter and somewhat more 'elementary':
s = (.) (flip (.) (head . uncurry zip . splitAt 1 . replicate 2) . uncurry) .
(flip (.) (flip (.)) . flip (.))
And with less flips:
s = (((. head . uncurry zip . splitAt 1 . repeat) . uncurry) .) . (.) . flip
G'day ye all,
is there an *elegant* way to transform
( (.) (flip (.) (flip ($ . flip (.) . flip (.)
to the more compact form
flip (.) . flip ?
And more general, is there an algorithm to simplify such expressions (other
than take a piece of paper, apply it to the appropriate number of argu
Seems like 7 am is not my time of day. Even I have problems to
understand this message. Let me correct the biggest typos.
On Wed, Feb 16, 2005 at 07:16:50AM +0100, Tomasz Zielonka wrote:
> Are you sure your IO actions will always yield the same result? If so,
> the you can safely use unsafe_io. Ot
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