2026/05/22

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2026-05-22 17:30:55 +0000spew(~spew@user/spew) (Ping timeout: 250 seconds)
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2026-05-22 17:23:11 +0000merijn(~merijn@host-cl.cgnat-g.v4.dfn.nl) merijn
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2026-05-22 16:51:47 +0000Lord_of_Life(~Lord@user/lord-of-life/x-2819915) Lord_of_Life
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2026-05-22 16:32:35 +0000comerijn(~merijn@77.242.116.146) merijn
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2026-05-22 16:09:55 +0000Square(~Square@user/square) (Ping timeout: 276 seconds)
2026-05-22 15:49:22 +0000 <int-e> (just double-checking)
2026-05-22 15:49:17 +0000 <lambdabot> Applicative m => Either a (m b) -> m (Either a b)
2026-05-22 15:49:16 +0000 <int-e> :t sequenceA :: Applicative m => Either a (m b) -> m (Either a b)
2026-05-22 15:49:03 +0000danzawas wondering about its meaning
2026-05-22 15:48:53 +0000gawen(~gawen@user/gawen) gawen
2026-05-22 15:48:44 +0000 <int-e> oh! where did that stray `:t traverse` come from.
2026-05-22 15:47:29 +0000 <yahb2> sequenceA :: Applicative m => Either a (m b) -> m (Either a b) ; :: Applicative m => Either a (m b) -> m (Either a b)
2026-05-22 15:47:29 +0000 <int-e> % :t sequenceA :: Applicative m => Either a (m b) -> m (Either a b)
2026-05-22 15:47:09 +0000 <int-e> Also, that line worked in GHCi
2026-05-22 15:47:02 +0000 <int-e> jaror: Yeah I was getting there.
2026-05-22 15:46:39 +0000 <lambdabot> • In an expression type signature:
2026-05-22 15:46:39 +0000 <lambdabot> • Expected a type, but ‘m (Either a b) : t traverse’ has kind ‘[*]’
2026-05-22 15:46:39 +0000 <lambdabot> error: [GHC-83865]
2026-05-22 15:46:38 +0000 <int-e> :t sequenceA :: Applicative m => Either a (m b) -> m (Either a b):t traverse
2026-05-22 15:46:07 +0000 <pounce> cute
2026-05-22 15:45:59 +0000 <jaror> int-e: that's just sequence
2026-05-22 15:45:47 +0000 <yahb2> firstA id ; :: (Bitraversable t, Applicative f) => t (f c) b -> f (t c b)
2026-05-22 15:45:46 +0000 <Leary> % :t firstA id
2026-05-22 15:45:18 +0000 <pounce> oh interesting
2026-05-22 15:44:49 +0000 <int-e> Either a (m b) -> m (Either a b) feels like it could be a `lift` but the the `m a` on the left I don't see any potential match
2026-05-22 15:43:30 +0000 <pounce> specifically m here is maybe
2026-05-22 15:43:27 +0000 <int-e> (this is scnr territory)