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| 2025-03-12 22:45:38 +0100 | alfiee | (~alfiee@user/alfiee) alfiee |
| 2025-03-12 22:43:42 +0100 | merijn | (~merijn@host-vr.cgnat-g.v4.dfn.nl) (Ping timeout: 252 seconds) |
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| 2025-03-12 22:09:39 +0100 | peterbecich | (~Thunderbi@syn-047-229-123-186.res.spectrum.com) (Ping timeout: 265 seconds) |
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| 2025-03-12 21:59:35 +0100 | alfiee | (~alfiee@user/alfiee) alfiee |
| 2025-03-12 21:59:11 +0100 | ljdarj1 | (~Thunderbi@user/ljdarj) ljdarj |
| 2025-03-12 21:56:49 +0100 | merijn | (~merijn@host-vr.cgnat-g.v4.dfn.nl) merijn |
| 2025-03-12 21:52:52 +0100 | peterbecich | (~Thunderbi@syn-047-229-123-186.res.spectrum.com) peterbecich |
| 2025-03-12 21:47:40 +0100 | <Noinia> | hmm, does anyone know how to coerce 'Folds' from the lens package? I.e. I'm trying to implement a function 'test :: forall s s' a. Coercible s s' => Fold s a -> Fold s' a. I can write test myFold = \f -> contramap coerce . myFold f . coerce. But the 'contramap coerce' is bothering me; that does not necessarily seem zero-cost. Any way around that? |
| 2025-03-12 21:46:12 +0100 | merijn | (~merijn@host-vr.cgnat-g.v4.dfn.nl) (Ping timeout: 272 seconds) |
| 2025-03-12 21:41:39 +0100 | jespada | (~jespada@r190-135-78-231.dialup.adsl.anteldata.net.uy) jespada |
| 2025-03-12 21:38:46 +0100 | merijn | (~merijn@host-vr.cgnat-g.v4.dfn.nl) merijn |
| 2025-03-12 21:37:15 +0100 | jespada | (~jespada@2800:a4:22b4:9a00:f994:da25:97cf:4452) (Ping timeout: 244 seconds) |
| 2025-03-12 21:36:40 +0100 | sdrfan123 | (~sdrfan123@2607:fb90:ad22:c6ba:1965:cecd:386e:8114) |
| 2025-03-12 21:34:11 +0100 | <Inst> | https://www.cs.columbia.edu/~sedwards/classes/2023/4995-fall/index.html |
| 2025-03-12 21:34:02 +0100 | <Inst> | actually, no, I thought Columbia had a course wherein they taught you par and rpar before they taught you recursion, but it's only titled that way and it's a normal haskell course :( |
| 2025-03-12 21:31:19 +0100 | <Inst> | it's funny in a way, Chalmers starts their intro programming with Haskell in IO |
| 2025-03-12 21:28:27 +0100 | <Inst> | I'm sort of getting tired of trying to implement parFold, it's fun when I see huge improvements (moved from 80 seconds to 0.7 seconds), but ultimately it's not going to ever really be useful |
| 2025-03-12 21:27:33 +0100 | <Inst> | by the way, are there any good parallelization exercises for working with the spark parallelism system? |
| 2025-03-12 21:26:46 +0100 | <tomsmeding> | with only single-argument lambdas, it's very straightforward |
| 2025-03-12 21:26:43 +0100 | izzyfalco | (~jake_pers@user/izzyfalco) izzyfalco |
| 2025-03-12 21:26:35 +0100 | <tomsmeding> | if you add multi-argument lambdas to your language, the definition of WHNF gets a bit more intricate |
| 2025-03-12 21:26:14 +0100 | <Inst> | yeah, partially applied lambda was confusing |
| 2025-03-12 21:26:01 +0100 | <tomsmeding> | yes, because it's a lambda |