Logs: liberachat/#haskell
| 2026-04-30 15:34:18 | <Leary> | I would determine that on a case-by-case basis; ultimately it's a matter of whether they types in question have any good reason to be (or not be) polykinded. |
| 2026-04-30 15:35:24 | <tomsmeding> | hello I've been away for a couple weeks, what's with all the @? Are there spammers? |
| 2026-04-30 15:36:01 | <janus> | i got op from shapr and now i proudly wear it. i don't think ChanServ knows about it so i wouldn't be able to get it back |
| 2026-04-30 15:36:46 | <janus> | it is cringe to wear op all the time? |
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| 2026-04-30 15:41:14 | <geekosaur> | it's kinda disrecommended by libera |
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| 2026-04-30 15:43:28 | janus | sets mode -o janus |
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| 2026-04-30 15:44:44 | <janus> | Leary: i should probably abandon this effort, it seems too risky for such an old codebase |
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| 2026-04-30 15:45:13 | <janus> | but it's a good lesson in that kindedness is exported, which i hadn't considered |
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| 2026-04-30 15:59:14 | <tomsmeding> | janus: dunno about cringe; shapr gave me op in #haskell-offtopic a long time ago and I did the same. :P |
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| 2026-04-30 16:14:16 | <haskellbridge> | <shapr> haha! |
| 2026-04-30 16:14:27 | <geekosaur> | how long ago? on freenode -offtopic wasn't part of the acl group so it needed its own ops |
| 2026-04-30 16:15:24 | <geekosaur> | (freenode's ircd didn't support that iirc, solanum does) |
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| 2026-04-30 16:17:41 | <geekosaur> | mm, not ircd, services |
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| 2026-04-30 16:44:39 | <EvanR> | janus, agreed old codebases with ancient bugs and unknown risks are bad. Better to make a brand new fresh code base with brand new bugs xD |
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| 2026-04-30 16:55:53 | <janus> | % import Data.Typeable |
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| 2026-04-30 16:55:53 | <yahb2> | <no output> |
| 2026-04-30 16:56:01 | <janus> | % :t typeRep |
| 2026-04-30 16:56:01 | <yahb2> | typeRep ; :: forall {k} (proxy :: k -> *) (a :: k). ; Typeable a => ; proxy a -> TypeRep |
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| 2026-04-30 16:57:26 | <janus> | why does kindedness make a difference here? what is an example of a declaration that fits with typeRep without PolyKinds but fails with? |
| 2026-04-30 16:58:30 | <janus> | this was even made more polymorphic at some point, because in base-4.18 it was just forall proxy a. Typeable a => proxy a -> TypeRep |
| 2026-04-30 17:03:47 | <EvanR> | the a and proxy have to match up somehow |
| 2026-04-30 17:03:58 | <EvanR> | it's not any a and any proxy independently |
| 2026-04-30 17:04:28 | <mauke> | that question seems backwards |
| 2026-04-30 17:05:36 | <geekosaur> | I thought so too |
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| 2026-04-30 17:06:05 | <EvanR> | forall proxy a. Typeable a => proxy a -> TypeRep seems more polymorphic? |
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| 2026-04-30 17:07:28 | <mauke> | ?? |
| 2026-04-30 17:11:49 | <mauke> | https://gitlab.haskell.org/ghc/ghc/-/wikis/ghc-kinds/poly-typeable |
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| 2026-04-30 17:26:28 | <janus> | % typeRep (undefined :: Proxy Monad) |
| 2026-04-30 17:26:28 | <yahb2> | Monad |
| 2026-04-30 17:26:45 | <janus> | you wouldn't be able to do this with the old definition, because proxy would be Type -> Type, right |
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