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2021-03-17 05:57:07 <bobweb> koz: Hi again. Yes, I can make it work with (Sum 1), but the book doesn't mention this in this example so I figured I was missing something.
2021-03-17 05:57:21 toorevitimirp joins (~tooreviti@117.182.183.55)
2021-03-17 05:57:40 <koz_> Yeah, I'm not sure either.
2021-03-17 05:58:19 <bobweb> OK, so it's not just me this time. Thanks again for your help.
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2021-03-17 06:04:26 <curiousgay> monochrom: tomsmeding: stack doesn't provide GHC with haddock and I can't build any version of haddock with stack
2021-03-17 06:06:00 <curiousgay> never mind, it does
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2021-03-17 06:27:23 hackage aviation-units 0.0.2 - Units of measurements used in aviation. https://hackage.haskell.org/package/aviation-units-0.0.2 (TonyMorris)
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2021-03-17 06:38:23 hackage aviation-weight-balance 0.0.2 - Weight and Balance structures used in aviation. https://hackage.haskell.org/package/aviation-weight-balance-0.0.2 (TonyMorris)
2021-03-17 06:38:24 <hololeap> i've been playing around with a GADT for monad transformer stacks, just out of curiosity: https://dpaste.com/H5A693S5H
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2021-03-17 06:39:38 <hololeap> i'm wondering if there is a way to write liftStack with the current signature, or would i have to pass in some sort of singleton so i can pattern match based on what 'ts' looks like
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2021-03-17 06:44:55 <koz_> Yeah, you'd need to know the shape, because otherwise, what constructor do you need?
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2021-03-17 06:45:38 <hololeap> right
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2021-03-17 06:47:03 <hololeap> i vaguely remember there was some way to pattern match based solely on the type, but maybe i'm mistaken
2021-03-17 06:48:07 <hololeap> it had something to do with pattern matching on SomeException
2021-03-17 06:48:29 <koz_> In this case, you kinda can't.
2021-03-17 06:48:34 <hololeap> so i was thinking it might be possible to pattern match on (Proxy @ts)
2021-03-17 06:48:36 <koz_> You need to know what exact 'shape' ts has.
2021-03-17 06:48:44 <koz_> So you need a _runtime_ witness to this.
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2021-03-17 06:49:23 hackage aviation-cessna172-weight-balance 0.0.2 - Weight and Balance for the Cessna 172 aircraft in aviation. https://hackage.haskell.org/package/aviation-cessna172-weight-balance-0.0.2 (TonyMorris)
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2021-03-17 06:51:05 <hololeap> alright
2021-03-17 06:51:23 <koz_> I think there's some package that gives specifically typelevel list singletons.
2021-03-17 06:51:29 <koz_> (which isn't singletons-the-package)
2021-03-17 06:51:46 <hololeap> well, if i was more invested in this experiment i might care
2021-03-17 06:51:50 <hololeap> lol
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2021-03-17 06:52:40 <hololeap> i think i've seen that package before. in any case, it wouldn't be too hard to write a one-off singleton
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2021-03-17 06:53:17 <hololeap> but this file is most likely going to die in /tmp
2021-03-17 06:53:18 <koz_> It has a few nice helpers too.
2021-03-17 06:53:22 <koz_> Oh well.
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2021-03-17 07:09:45 <hololeap> koz_: a cursory glance at `cabal list list` and `cabal list singleton` didn't find it. i'm curious so if you find it, let me know
2021-03-17 07:09:58 <koz_> hololeap: It's not simply named.
2021-03-17 07:10:05 <koz_> Let me see if I can re-dredge that train of memory.
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