2026/01/01

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2026-01-01 01:32:33 +0100L29Ah(~L29Ah@wikipedia/L29Ah) L29Ah
2026-01-01 01:30:16 +0100Tuplanolla1Tuplanolla
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2026-01-01 01:19:14 +0100merijn(~merijn@host-cl.cgnat-g.v4.dfn.nl) merijn
2026-01-01 01:15:02 +0100 <janus> such a program, without interleaving, would have ambiguous types and compilation would fail. since it wouldn't be able to take the 'output' and propagate it to other constraints
2026-01-01 01:13:38 +0100 <janus> then, it should evaluate the fundep and that should give it enough info to find the 'principal' type
2026-01-01 01:13:17 +0100 <janus> maybe the easiest example should be something that uses mtl, and somehow has polymorphic types in both the 'input' and the 'output' type of a fundep. now, the surrounding program somehow determines one of these, and the typechecker should be able to run enough of 'regular' constraints to find out that there is this constraint on input and output
2026-01-01 01:10:36 +0100 <janus> i still can't imagine a program that would require something like that
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2026-01-01 01:10:04 +0100 <janus> right. so it's not strictly MPTC that require interleaving
2026-01-01 01:09:38 +0100 <geekosaur> inference isn't possible otherwise
2026-01-01 01:09:24 +0100 <geekosaur> my understanding is that MPTCs are really only usable with either fundeps or TFs
2026-01-01 01:07:51 +0100 <janus> if i understand correctly, fundeps only make sense with MPTC, and since fundeps are so prevalent with mtl, i wonder whether that is why you said MPTC instead of saying fundeps. since for all practical typecheckers, they will need to support both
2026-01-01 01:06:47 +0100 <janus> [exa]: is it really just MPTC that would require type-level computation interleaved with previous typechecking? or is it about fundeps?
2026-01-01 01:05:18 +0100merijn(~merijn@host-cl.cgnat-g.v4.dfn.nl) merijn
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2026-01-01 00:55:55 +0100L29Ah(~L29Ah@wikipedia/L29Ah) ()
2026-01-01 00:52:38 +0100merijn(~merijn@host-cl.cgnat-g.v4.dfn.nl) merijn
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2026-01-01 00:40:38 +0100Pixi`(~Pixi@user/pixi) Pixi
2026-01-01 00:32:23 +0100Pozyomka(~pyon@user/pyon) pyon
2026-01-01 00:25:34 +0100 <monochrom> Do a pair of complementary things and do them well: Open a pastry bakery and a gym next to each other. (True story.)
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2026-01-01 00:18:17 +0100merijn(~merijn@host-cl.cgnat-g.v4.dfn.nl) merijn
2026-01-01 00:16:30 +0100L29Ah(~L29Ah@wikipedia/L29Ah) L29Ah
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