Logs: liberachat/#haskell
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| 2021-08-06 13:04:54 | <euouae> | I’m new to the tools and I’m trying to read the docs but the 3.4 docs do not describe build & install instructions (says todo) |
| 2021-08-06 13:05:09 | <euouae> | and the 3.2 docs describe an obsolete method (sandboxes) |
| 2021-08-06 13:05:24 | <yushyin> | https://cabal.readthedocs.io/en/3.4/cabal-commands.html#cabal-v2-build |
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| 2021-08-06 13:06:07 | <euouae> | Aaah that’s great. Thank you |
| 2021-08-06 13:06:58 | <euouae> | https://cabal.readthedocs.io/en/3.4/installing-packages.html#building-and-installing-packages Here’s what I was talking about if anyone is curious |
| 2021-08-06 13:08:31 | <euouae> | On 3.4 don’t I just have to say build for v2-build? |
| 2021-08-06 13:09:36 | <yushyin> | euouae: yup, with a recent cabal `v2-*' is the default so `build' it is |
| 2021-08-06 13:10:09 | <euouae> | Thanks ! |
| 2021-08-06 13:11:39 | <yushyin> | euouae: I also often don't understand the structure and outline of the cabal documentation. it needs work. |
| 2021-08-06 13:12:28 | <lechner> | Should I leave a note here that section 6 still has a Backpack warning? https://github.com/haskell/cabal/issues/6005#issuecomment-850468676 |
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| 2021-08-06 13:25:11 | <yushyin> | or a pull request |
| 2021-08-06 13:25:32 | <lechner> | just drop it? |
| 2021-08-06 13:27:11 | <yushyin> | if the issue is resolved, yeah why not? |
| 2021-08-06 13:27:30 | sandcat | is now known as jess |
| 2021-08-06 13:27:53 | <lechner> | okay, i am just new and don't want to look too dumb |
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| 2021-08-06 13:31:32 | <yushyin> | I think phadej is happy for the help and the worst that can happen is that your PR is closed down. |
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| 2021-08-06 13:33:33 | <Athas> | I have a program that goes into an infinite loop. Profiling shows it happens in a cost centre called "CAF:$dAllocator_r20f3G", with no location information available. How can I debug this? |
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| 2021-08-06 13:45:43 | <lechner> | yushyin: https://github.com/haskell/cabal/pull/7518 |
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| 2021-08-06 14:02:15 | <janus> | Athas: have you enabled -fprof-auto ? otherwise the cost centres may not be as granular as they could be. afaik https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/profiling.html#compiler-options-for-profiling |
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| 2021-08-06 14:22:05 | <Athas> | janus: turns out it was a typeclass dictionary. I have no idea how that one could be infinitely recursive. I fixed it by refactoring the program to remove the typeclass. |
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| 2021-08-06 14:23:53 | <janus> | i can't imagine how instance resolution can be infinite since any program any only has a finite amount of types in play, i'd say? |
| 2021-08-06 14:24:30 | <janus> | anyway, it would be decided at compile time, no? |
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| 2021-08-06 14:28:43 | <Ollie[m]> | What's the easiest way to attach an attoparsec `Parser` to a network socket? I want to read and parse enough bytes to fulfill my parser. I guess that parser has no way to really inform `network` of how many bytes it needs, so I'm fine with something that gives me back some left over |
| 2021-08-06 14:28:50 | <Athas> | It might create a self-referential dictionary, but I also can't see how that can happen... |
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| 2021-08-06 14:33:04 | <c_wraith> | maybe something with UndecidableSuperclasses? |
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| 2021-08-06 14:53:52 | <viluon> | hello, I'd like to compile all Stackage packages with a patched GHC. Is this a good place to ask for guidance? |
| 2021-08-06 14:58:09 | <viluon> | I'd like to run the packages' test suites after compiling them |
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| 2021-08-06 15:01:53 | <janus> | viluon: nix makes it easy to swap out the compiler ;) |
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