Logs: liberachat/#haskell
| 2021-07-07 21:03:45 | <veverak> | the fact that nominalDiffTimeToSeconds returns `Pico` is hella confusing |
| 2021-07-07 21:03:58 | <boxscape> | is there a better way to write this? either (const $ r str) Right (l str) |
| 2021-07-07 21:04:32 | <glguy> | A Float is probably too imprecise to be all that useful, though |
| 2021-07-07 21:05:25 | <veverak> | yeah |
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| 2021-07-07 21:10:47 | × | merijn quits (~merijn@83-160-49-249.ip.xs4all.nl) (Ping timeout: 268 seconds) |
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| 2021-07-07 21:18:02 | <AWizzArd> | About Channels (i.e. Control.Concurrent.Chan): I can do a blocking `readChan` to wait until some data becomes available. But: can I also wait for multiple channels at the same time, and unblock as soon as one of them has data? |
| 2021-07-07 21:20:15 | <hpc> | if you don't mind the seemingly frivolous use of threads, you can have a thread for each Chan feeding into a combined Chan that your main thread waits on |
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| 2021-07-07 21:21:59 | <AWizzArd> | I wonder if one could add an Alternative implementation that in a way monoidically combines all chans into a single one. |
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| 2021-07-07 21:22:29 | <AWizzArd> | (value, chanThatReadData) <- readChan c1 <|> readChan c2 <|> readChan c3 |
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| 2021-07-07 21:24:25 | <monochrom> | IO's <|> doesn't do that. |
| 2021-07-07 21:24:32 | <monochrom> | But STM's <|> does. |
| 2021-07-07 21:24:48 | <monochrom> | A good reason to switch to TChan. |
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| 2021-07-07 21:28:11 | <monochrom> | BTW most of the complaints against Haskell's time package are only because people mistake "used to the C unix way" for "the C unix way is right". |
| 2021-07-07 21:28:25 | <monochrom> | No, Haskell's time package is the one that does it right. |
| 2021-07-07 21:28:52 | <maerwald> | I don't even know what time is... and computers can freely navigate into future and past. It's all over. |
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| 2021-07-07 21:31:23 | × | ptr_frac7al quits (~longlong@user/ptr-frac7al/x-0038398) (Ping timeout: 265 seconds) |
| 2021-07-07 21:32:42 | × | drd quits (~drd@93-39-151-19.ip76.fastwebnet.it) (Ping timeout: 258 seconds) |
| 2021-07-07 21:33:04 | ← | re101-bombay-30 parts (~re101-bom@2601:203:c200:d6f0:2d33:506:5f01:fb2c) () |
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| 2021-07-07 21:34:01 | <boxscape> | Am I missing some indentation rule here? I'm pretty confused about the first one not working https://paste.tomsmeding.com/ptyYkVPO |
| 2021-07-07 21:34:13 | <boxscape> | err, the second one not working |
| 2021-07-07 21:34:21 | <AWizzArd> | maerwald: 12 minutes that help you to see more into time and understand why currently you move with speed of light: https://www.youtube.com/watch?v=au0QJYISe4c |
| 2021-07-07 21:34:30 | <monochrom> | Yes, there were famous DOS shareware programs that had expiry dates unless you pay up. People who didn't want to pay pulled the simple trick of setting the computer clock to the past. |
| 2021-07-07 21:34:56 | <maerwald> | that's an actual HACK |
| 2021-07-07 21:36:37 | <boxscape> | oh actually |
| 2021-07-07 21:36:51 | <boxscape> | I had indented the second one one space more than in the paste |
| 2021-07-07 21:36:58 | <boxscape> | s/second/first |
| 2021-07-07 21:37:09 | <boxscape> | and the second one also works if I indent it one space further |
| 2021-07-07 21:37:19 | <boxscape> | though that still seems strange... |
| 2021-07-07 21:37:40 | <boxscape> | err, hold on |
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| 2021-07-07 21:37:56 | <boxscape> | I think I'm just getting confused by how my font's italics look like they're one space further to the right than they are |
| 2021-07-07 21:38:17 | <monochrom> | fancy |
| 2021-07-07 21:38:41 | <boxscape> | I should probably turn off italics for syntax highlighting... |
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| 2021-07-07 21:49:53 | <lechner> | Hi, is cabal really preferred over stack again? (Sorry, no flame intended; this channel is civilized, anyway.) Thanks! |
| 2021-07-07 21:50:53 | <monochrom> | I prefer cabal. I can't speak for others. |
| 2021-07-07 21:50:54 | <geekosaur> | cabal's problems were solved with cabal 2; we're on cabal 3.4 now |
| 2021-07-07 21:51:27 | <lechner> | okay, i am totally behind the times |
| 2021-07-07 21:51:37 | <monochrom> | In fact, it can get down to the point you really have to ask yourself what you want, not what other people want. |
| 2021-07-07 21:52:16 | <monochrom> | I prefer cabal because it doesn't install ghc. Other people prefer stack because it does install ghc. There is no way you can win. |
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| 2021-07-07 21:53:13 | <monochrom> | And why doesn't someone bring nix to the debate... |
| 2021-07-07 21:53:34 | <Rembane> | nix will solve all problems! <- there, is fix |
| 2021-07-07 21:53:41 | <justsomeguy> | Which one is preferred is subjective, but I think it's safe to say that cabal has implemented many features that used to be exclusive to stack. A few features that I have in mind when saying that are project local builds and caching of libraries shared between projects. |
| 2021-07-07 21:53:42 | <monochrom> | Just to celebrate diversity and free will. |
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| 2021-07-07 21:54:18 | <monochrom> | I meta-prefer a free country. |
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| 2021-07-07 21:56:56 | <Rembane> | IIRC weeder needs stack and weeder is useful, so that's a + for stack. |
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| 2021-07-07 22:02:34 | <maerwald> | Rembane: huh? weeder uses .hie files afaik |
| 2021-07-07 22:02:58 | <maerwald> | https://github.com/ocharles/weeder#cabal |
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| 2021-07-07 22:04:35 | <jle`> | i kind of like stackage |
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| 2021-07-07 22:05:00 | <jle`> | but not necessarily stack |
| 2021-07-07 22:05:24 | <jle`> | er, not that i don't like it, just that i'm not too sold on the value prop over cabal. but the idea of a consistent package set is nice to me |
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| 2021-07-07 22:05:45 | <maerwald> | stackage breaks down if you manage to pull in two versions of one package, no? |
| 2021-07-07 22:06:05 | <Rembane> | maerwald: That's good. Then I'm misinformed. Remove that plus from stack. :) |
| 2021-07-07 22:06:07 | <jle`> | i think it's supposed to guard against that sort of thing? |
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| 2021-07-07 22:06:20 | <maerwald> | I think they just disable all sorts of tests to avoid it? |
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| 2021-07-07 22:06:57 | <geekosaur> | I thought that described nix, not stack |
| 2021-07-07 22:07:23 | <jle`> | yeah, stack+stackage etc. resolves all the deps before any building |
| 2021-07-07 22:07:24 | <maerwald> | I'm not sure if a static package set is the answer... what about stable hackage vs unstable hackage? It's doable |
| 2021-07-07 22:08:03 | <jle`> | is that the idea of stackage LTS? |
| 2021-07-07 22:08:04 | <AWizzArd> | Single Sign-On: what Haskell Lib would you use to do this? Did you implement it in your web app? |
| 2021-07-07 22:08:05 | <monochrom> | hackage is really too large. |
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