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2021-04-06 16:25:24 <tomsmeding> yeah making the bytestring _explicitly_ streaming instead of only implicitly via laziness is probably the way out
2021-04-06 16:25:45 <maerwald> and streamly interacts well with bytestring, so it can be done incrementally
2021-04-06 16:26:07 <dmj`> tomsmeding: main = do { [n] <- fmap read <$> getArgs; let xs = [1..n]; print (sum xs / fromIntegral (length xs)) }
2021-04-06 16:26:12 <dmj`> tomsmeding: that will OOM your process for large n
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2021-04-06 16:27:09 <dmj`> tomsmeding: I don't think inlining can save you here
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2021-04-06 16:29:04 <dmj`> tomsmeding: running with +RTS -s -RTS will be like 0% productivity
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2021-04-06 16:39:08 <tomsmeding> dmj`: inlining + horizontal fusion can fix that because it yields the same as your handwritten foldr
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2021-04-06 16:39:30 <tomsmeding> ghc does the inlining but not the hor. fusion
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2021-04-06 16:43:42 <qqqq3> Hello everyone, im faced with this error https://paste.tomsmeding.com/siTshGL1. Can someone explain this to me ?
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2021-04-06 16:45:34 <geekosaur> what were you expecting (xs "-") to do?
2021-04-06 16:46:09 <geekosaur> it's complaining because it expects xs to be a function, since it's applied to a string argument, but it's not
2021-04-06 16:46:37 <qqqq3> how can i spesify my input to be char?
2021-04-06 16:47:45 <dcbdan> '-' is a Char, "-" == ['-'] is a String
2021-04-06 16:48:21 <qqqq3> so if i do a function like this test 'x' = x
2021-04-06 16:48:29 <qqqq3> would the test function only expect chars ?
2021-04-06 16:49:13 <joel135> :t \x -> 'x' == x
2021-04-06 16:49:14 <lambdabot> Char -> Bool
2021-04-06 16:49:25 <geekosaur> yes
2021-04-06 16:49:37 <qqqq3> Thanks everyone
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2021-04-06 16:51:40 <fresheyeball> error, called at compiler/utils/Maybes.hs:55:27 in ghc:Maybes
2021-04-06 16:51:42 <fresheyeball> expectJust, called at compiler/ghci/Linker.hs:719:28 in ghc:Linker
2021-04-06 16:51:45 <fresheyeball> how can I begin debugging this?
2021-04-06 16:51:50 <fresheyeball> I have no idea how to begin
2021-04-06 16:51:59 <fresheyeball> I think this is an issue with backpack and TH
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2021-04-06 16:55:54 <dcbdan> I don't know. Could it be that a Nothing is being passed in incorrectly?
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2021-04-06 16:56:37 <geekosaur> that error is buried somewhere inside of ghc itself
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2021-04-06 17:05:11 <Enrico63> Hello there, can anybody help me get started with  http://mightybyte.github.io/monad-challenges/
2021-04-06 17:05:12 <Enrico63> ?
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2021-04-06 17:05:26 <fresheyeball> Enrico63: what do you need help with?
2021-04-06 17:06:17 <Enrico63> I've posted a message on the github page: https://github.com/mightybyte/monad-challenges/issues/81 . In short, when I do `ghci Set1.hs` I get the error `ghc: unexpected RTS argument: Set1.hs`
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2021-04-06 17:07:48 <Enrico63> fresheyeball, I have to mention that following the instruction I run `cabal install` in the directory of the repo. Then when I found that issue on the github page, I also run `cabal install --package-env /PATH_TO_YOUR_FOLDER --lib` (with `/PATH_TO_YOUR_FOLDER` changed to `$PWD`, and I was in the repo's dir).
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2021-04-06 17:12:27 <joel135> https://hoogle.haskell.org/?hoogle=Application
2021-04-06 17:12:56 <joel135> There are no parentheses in the second entry! "type Application = Request -> Response -> IO ResponseReceived -> IO ResponseReceived"
2021-04-06 17:14:33 <monochrom> Are they even remotely related?
2021-04-06 17:14:51 <geekosaur> the parentheses are in the originals, if you click through
2021-04-06 17:15:01 <joel135> yes they are there when i click
2021-04-06 17:15:11 <Enrico63> Hello there, can anybody help me get started with http://mightybyte.github.io/monad-challenges/ ? I've posted a message on the github page: https://github.com/mightybyte/monad-challenges/issues/81 . In short, when I do `ghci Set1.hs` I get the error `ghc: unexpected RTS argument: Set1.hs`. I have to mention that following the instruction I run
2021-04-06 17:15:11 <Enrico63> `cabal install` in the directory of the repo. Then when I found that issue on the github page, I also run `cabal install --package-env /PATH_TO_YOUR_FOLDER --lib` (with `/PATH_TO_YOUR_FOLDER` changed to `$PWD`, and I was in the repo's dir).
2021-04-06 17:15:57 <geekosaur> Enrico63, do you have an alias for ghci, perhaps?
2021-04-06 17:16:38 <Enrico63> Yes, `alias ghci='ghci +RTS -M100M -c30'`. I forgot about that. And I don't even know why I have it :/
2021-04-06 17:16:49 <Enrico63> i suppose `command ghci` will be enough..?
2021-04-06 17:16:59 <Enrico63> yes
2021-04-06 17:16:59 <geekosaur> yes
2021-04-06 17:17:04 <monochrom> Well that's easy. ghci='ghci +RTS -M100M -c30 -RTS'
2021-04-06 17:17:06 <geekosaur> or add '-RTS' to the end of that aliass
2021-04-06 17:17:32 <monochrom> This is why remote tech support is impossible.
2021-04-06 17:18:11 <Enrico63> monochrom, what? Forgetting we have some settings/aliases?
2021-04-06 17:18:17 <monochrom> Yes.
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2021-04-06 17:18:33 <Enrico63> Eh, that happens when we're new to some things, I suppose
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2021-04-06 17:19:23 <Enrico63> If that alias is there, it's for some reason I thought was good, at that time. I vaguely remember ghci using a load of RAM
2021-04-06 17:19:54 <Enrico63> However, it seems geekosaur makes impossible things, then :D
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