2026/04/25

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2026-04-25 13:01:21 +0000 <[exa]> raincomplex: article more like in "blog post" or "academic paper"
2026-04-25 12:59:57 +0000 <ski> (or the caller of it, passing invald inputs)
2026-04-25 12:59:44 +0000 <ski> higher-order contract checking systems can also correctly assign blame, when you're passing a callback to some library procedure, determining whether the callback was in breach, or the library operation itself
2026-04-25 12:59:00 +0000 <ski> (then there's property testing, that's using randomly generated test cases, according to some coded distribution of inputs, which is quite useful, because it allows you to state testing *properties*, being more general than particular individual test cases)
2026-04-25 12:58:02 +0000 <jreicher> Tests won't get you infinite coverage
2026-04-25 12:57:54 +0000merijn(~merijn@62.45.136.136) (Ping timeout: 248 seconds)
2026-04-25 12:57:45 +0000 <jreicher> Emphasis on "every". That's what is special about a proof. That "every" is (probably) infinite.
2026-04-25 12:57:42 +0000 <ski> tests, and contracts checking more generally, can assign blame for individual run-time issues, but generally can't prove the absence
2026-04-25 12:55:56 +0000 <ski> a type system can ensure static properties about every possible future run of an operation
2026-04-25 12:54:58 +0000puke(~puke@user/puke) (Ping timeout: 250 seconds)
2026-04-25 12:54:57 +0000 <raincomplex> i'm just looking for a discussion of the differences and overlaps
2026-04-25 12:53:31 +0000 <jreicher> raincomplex: what kind of relationship are you expecting? A type check is a proof, but testing.... isn't
2026-04-25 12:53:21 +0000 <ski> each can do things that the other can't
2026-04-25 12:53:15 +0000merijn(~merijn@62.45.136.136) merijn
2026-04-25 12:50:00 +0000nattkyrro(~serenity@user/nattkyrro) nattkyrro
2026-04-25 12:49:10 +0000 <raincomplex> does anybody have a good article about the relationship (or lack thereof) between type systems and tests
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2026-04-25 12:30:10 +0000tremon(~tremon@83.80.159.219) tremon
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2026-04-25 12:08:18 +0000misterfish(~misterfis@31-161-39-137.biz.kpn.net) misterfish
2026-04-25 12:05:14 +0000merijn(~merijn@host-cl.cgnat-g.v4.dfn.nl) merijn
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2026-04-25 11:47:10 +0000merijn(~merijn@host-cl.cgnat-g.v4.dfn.nl) merijn
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2026-04-25 11:40:28 +0000 <edwardk> thirdofmay1808814goya: filtered (is _Foo) will imit a traversal to targets that pass match the _Foo prism, note this is technically an illegal traversal if you apply updates that change the fact that the prism matches, but no lens police will come for you.
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