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Logs: freenode/#haskell

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2020-10-26 17:48:44 × Guest_34 quits (b2a4dcc6@178-164-220-198.pool.digikabel.hu) (Remote host closed the connection)
2020-10-26 17:49:46 × bahamas quits (~lucian@unaffiliated/bahamas) (Quit: leaving)
2020-10-26 17:52:15 × kish` quits (~oracle@unaffiliated/oracle) (Remote host closed the connection)
2020-10-26 17:54:29 → shatriff joins (~vitaliish@176.52.219.10)
2020-10-26 17:55:01 <hyperisco> so I am in IO, and I just want to throw an exception with a string message… how can I construct such an exception? do I have to define my own data type? is there a predefined one in base?
2020-10-26 17:55:43 → kish joins (~oracle@unaffiliated/oracle)
2020-10-26 17:56:01 <geekosaur> throwIO (ErrorCall "waaah") -- ?
2020-10-26 17:56:27 × amiri quits (~amiri@cpe-76-91-154-9.socal.res.rr.com) (Remote host closed the connection)
2020-10-26 17:57:17 <hyperisco> okay thanks
2020-10-26 17:57:55 → POGtastic joins (~POGtastic@2601:1c0:6000:fe1:b424:b773:d69:762d)
2020-10-26 17:58:29 <geekosaur> (this is more or less `error` but with `throwIO` instead of `throw`, that may not be what you want)
2020-10-26 17:58:41 <POGtastic> hi all, what is it called when you constrain a generic data type to instances of another typeclass? For example, `data (Ord a) => Tree a`
2020-10-26 17:58:56 <hyperisco> if it can be caught in IO then that is fine
2020-10-26 17:58:58 <monsterchrom> alternatively, userError :: String -> IOException
2020-10-26 17:59:32 <monsterchrom> in fact, IO's fail s = ioError (userError s)
2020-10-26 17:59:43 → amiri joins (~amiri@cpe-76-91-154-9.socal.res.rr.com)
2020-10-26 18:00:01 <hyperisco> oh can I jsut call fail then? seems so
2020-10-26 18:00:02 × Guest23433 quits (~Waithamai@185.244.214.217) ()
2020-10-26 18:00:42 <monsterchrom> Yeah, and the catcher catches IOException and check isUserError
2020-10-26 18:01:01 <hyperisco> > catchException (fail "my error") \_ -> putStrLn "caught!"
2020-10-26 18:01:03 <lambdabot> error:
2020-10-26 18:01:03 <lambdabot> Unexpected lambda expression in function application:
2020-10-26 18:01:03 <lambdabot> \ _ -> putStrLn "caught!"
2020-10-26 18:01:11 × thunderrd quits (~thunderrd@183.182.115.160) (Ping timeout: 272 seconds)
2020-10-26 18:01:14 <hyperisco> the spoils of BlockArguments
2020-10-26 18:01:20 <monsterchrom> heh
2020-10-26 18:01:45 <monsterchrom> also, yahb is better for IO
2020-10-26 18:03:31 <POGtastic> nm, i figured it out - haskell needs the DatatypeContexts extension for this
2020-10-26 18:03:49 <geekosaur> yes. because it's fairly useless
2020-10-26 18:03:50 <srid> It would be really nice to make the Haskell Wiki https://wiki.haskell.org/ look a bit modern. Has anyone thought about it?
2020-10-26 18:03:52 <srid> (.. also update its content)
2020-10-26 18:04:16 <monsterchrom> It already looks postmodern to me.
2020-10-26 18:04:28 hackage ffmpeg-light 0.13.0 - Minimal bindings to the FFmpeg library. https://hackage.haskell.org/package/ffmpeg-light-0.13.0 (AnthonyCowley)
2020-10-26 18:04:36 <hyperisco> % catch (fail "my error") \e -> const (putStrLn "caught!") (e :: IOException)
2020-10-26 18:04:36 <yahb> hyperisco: caught!
2020-10-26 18:04:45 <monsterchrom> But content update would be good, I haven't checked.
2020-10-26 18:04:52 → mananamenos__ joins (~mananamen@vpn236-203.vpns.upv.es)
2020-10-26 18:05:12 × Zetagon quits (~leo@c151-177-52-233.bredband.comhem.se) (Ping timeout: 272 seconds)
2020-10-26 18:05:21 <monsterchrom> Generally, any presence of round-corner graphical buttons is postmodern to me.
2020-10-26 18:05:39 <geekosaur> heh
2020-10-26 18:05:41 <monsterchrom> Any use of custom downloadable fonts is postmodern to me.
2020-10-26 18:05:55 <monsterchrom> Any contentless aesthetics is postmodern to me.
2020-10-26 18:06:08 <hyperisco> the wiki looks old?
2020-10-26 18:06:08 <dminuoso> monsterchrom: What's that *graphical* button you mentioned?
2020-10-26 18:06:23 <monsterchrom> haha
2020-10-26 18:06:39 × shafox quits (~shafox@106.51.234.111) (Quit: Leaving)
2020-10-26 18:07:18 <monsterchrom> Contentful, informative aesthetics exist. But "buttons should have round corners" is not one of them.
2020-10-26 18:07:25 <hyperisco> srid, can you point out to someone stuck in the 00's what is dated about the wiki design?
2020-10-26 18:08:22 × mananamenos_ quits (~mananamen@84.122.202.215.dyn.user.ono.com) (Ping timeout: 272 seconds)
2020-10-26 18:08:49 <srid> hyperisco: for one, the header styling is terrible. eg: go to https://wiki.haskell.org/Books and look at level-2 headers ... I had trouble locating them (eg: look at the "Foundations" header which has a bad contrast compared to the surrounding text)
2020-10-26 18:09:24 <srid> And just as a nicety, it doesn't hurt to make the wiki style consistent with https://www.haskell.org/ - though that would require substantial work from someone proficient in CSS and mediawiki theming
2020-10-26 18:09:31 × alp quits (~alp@2a01:e0a:58b:4920:fda3:96de:97b6:c040) (Ping timeout: 272 seconds)
2020-10-26 18:10:05 <hyperisco> so a typography problem more specifically
2020-10-26 18:10:13 <dminuoso> "header", "styling", "contract", "CSS"
2020-10-26 18:10:17 <dminuoso> You sound more than qualified
2020-10-26 18:10:39 <dminuoso> srid: Why not get the work started?
2020-10-26 18:10:39 <srid> dminuoso: what's your point?
2020-10-26 18:10:44 <monsterchrom> the issue with level-2 headers is also a mediawiki theming issue.
2020-10-26 18:10:46 × britva quits (~britva@31-10-157-156.cgn.dynamic.upc.ch) (Quit: This computer has gone to sleep)
2020-10-26 18:10:47 <dminuoso> Im volunteering you.
2020-10-26 18:11:00 <Uniaika> :D
2020-10-26 18:11:12 <hyperisco> I have a feeling there is something amiss with the wiki markup, though I am no expert on it… headers are supposed to be indexed, suggesting to me it isn't the right kind of header
2020-10-26 18:11:17 <Uniaika> “Congratulations citizen for your volunteer drafting!”
2020-10-26 18:11:19 <monsterchrom> In addition, it also plays poorly with people's habit of using bloody unnecessary bolds for book/article titles there.
2020-10-26 18:11:49 <dminuoso> For what its worth, being dated is unlikely to be a deterrence. People *still* use LYAH.
2020-10-26 18:12:03 × ericsagnes quits (~ericsagne@2405:6580:0:5100:29f6:82d:9503:e1) (Ping timeout: 272 seconds)
2020-10-26 18:12:05 <monsterchrom> I.e., if you go unbold all book titles there, it's an instant 50% improvement.
2020-10-26 18:12:09 × geekosaur quits (82659a09@host154-009.vpn.uakron.edu) (Ping timeout: 245 seconds)
2020-10-26 18:12:10 → chaosmasttter joins (~chaosmast@p200300c4a73c460118080c3b2ced1444.dip0.t-ipconnect.de)
2020-10-26 18:12:15 <srid> dminuoso: I'm happy to volunteer with the content; I'd like to meet someone that is interesting in improving the design. Which is I came here to ask. Do I understand right that nobody cares about it in IRC?
2020-10-26 18:12:22 × dyeplexer quits (~lol@unaffiliated/terpin) (Remote host closed the connection)
2020-10-26 18:12:25 <srid> * dminuoso: I'm happy to volunteer with the content; I'd like to meet someone that is interested in improving the design. Which is I came here to ask. Do I understand right that nobody cares about it in IRC?
2020-10-26 18:12:30 <monsterchrom> the remaining 50% being making level-2 section headers just a tiny bit more visible
2020-10-26 18:12:32 <srid> * dminuoso: I'm happy to volunteer with the content; I'd like to meet someone that is interested in improving the design. Which is why I came here to ask. Do I understand right that nobody cares about it in IRC?
2020-10-26 18:12:59 <dminuoso> srid: Sorry, must have been written before I connected to the BNC then.
2020-10-26 18:13:21 <srid> I'm sure if we ask for feedback from people not stuck in 00's, they might have more to say.
2020-10-26 18:13:36 <dminuoso> srid: I think the topic of the wiki was raised on haskell-cafe recently
2020-10-26 18:13:46 × Aquazi quits (uid312403@gateway/web/irccloud.com/x-zhrhclsenottifhf) (Quit: Connection closed for inactivity)
2020-10-26 18:13:58 → bartemius joins (~bartemius@109.252.20.20)
2020-10-26 18:14:11 <hyperisco> I agree with the typography problem but personally I don't see any problem with the overall aesthetic
2020-10-26 18:14:21 <srid> dminuoso: link? I see one for wikibook: https://mail.haskell.org/pipermail/haskell-cafe/2020-September/132779.html
2020-10-26 18:14:37 → geowiesnot joins (~user@87-89-181-157.abo.bbox.fr)
2020-10-26 18:14:38 → thunderrd joins (~thunderrd@183.182.115.32)
2020-10-26 18:14:54 <dminuoso> srid: Id have to dig, it was a few months ago.
2020-10-26 18:15:22 <dminuoso> IIRC it was said that folks stopped contributing after it was modernized.
2020-10-26 18:15:28 <dminuoso> The wiki is pretty dead now
2020-10-26 18:15:54 <monsterchrom> hrm, but wikibook/haskell is distinct from wiki.haskell.org. even in terms of contributors.
2020-10-26 18:16:07 <Uniaika> yes, it's an entirely different platform
2020-10-26 18:16:09 <Uniaika> for starters
2020-10-26 18:16:44 <monsterchrom> wikibook/haskell actually has better structure and content today than when I checked in the 00's.
2020-10-26 18:17:03 <Uniaika> monsterchrom: the 00's have ended 10 years ago, dear :)
2020-10-26 18:17:45 <monsterchrom> It's monad chapter in the 00's, oh God, such a longwinded fictional story that got nowhere at all.
2020-10-26 18:18:09 <hyperisco> I think lines and gradients are out of style now
2020-10-26 18:18:11 <monsterchrom> either that or the author really had a PhD in allegorical literature techniques.
2020-10-26 18:18:42 × Guest18 quits (567e8866@gateway/web/cgi-irc/kiwiirc.com/ip.86.126.136.102) (Quit: Connection closed)
2020-10-26 18:18:47 <Uniaika> srid: btw, if you're interested in improving the docs at large, you can join #haskell-docs
2020-10-26 18:18:55 <hyperisco> I noticed a bit of dimensionality and colour came back after that weird bit around the Windows Metro era…
2020-10-26 18:19:27 <hyperisco> a rebound from extreme minimalism
2020-10-26 18:19:41 → idhugo joins (~idhugo@563472ae.rev.stofanet.dk)
2020-10-26 18:20:09 <monsterchrom> Uniaika: Still, there is one kind of improvement that doesn't happen often enough, not even over decades. Deletion. People are usually too polite to delete someone else's stuff.
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