Programming Languages

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This is the current Lemmy equivalent of https://www.reddit.com/r/ProgrammingLanguages/.

The content and rules are the same here as they are over there. Taken directly from the /r/ProgrammingLanguages overview:

This community is dedicated to the theory, design and implementation of programming languages.

Be nice to each other. Flame wars and rants are not welcomed. Please also put some effort into your post.

This isn't the right place to ask questions such as "What language should I use for X", "what language should I learn", and "what's your favorite language". Such questions should be posted in /c/learn_programming or /c/programming.

This is the right place for posts like the following:

"Check out this new language I've been working on!"
"Here's a blog post on how I implemented static type checking into this compiler"
"I want to write a compiler, where do I start?"
"How does the Java compiler work? How does it handle forward declarations/imports/targeting multiple platforms/?"
"How should I test my compiler? How are other compilers and interpreters like gcc, Java, and python tested?"
"What are the pros/cons of ?"
"Compare and contrast vs. "
"Confused about the semantics of this language"
"Proceedings from PLDI / OOPSLA / ICFP / "

See /r/ProgrammingLanguages for specific examples

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Type inference was a mistake (borretti.me)

submitted 7 months ago by SuperFola@programming.dev to c/programming_languages@programming.dev

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[–] okamiueru@lemmy.world 6 points 7 months ago* (last edited 7 months ago) (1 children)

If it returned a "Foo", whose structure changes in such a way as to requires changes in all places it was used...

That, sounds to me like a disaster you avoided by being helped (which is the polite way to describe developers not getting away with ignoring lazy and dangerous type conversion bugs) to fix each and every usage of it.

[–] pixxelkick@lemmy.world 3 points 7 months ago (1 children)

No, there's countless ways code could be consuming a Foo or Bar and not care which.

Literally any form of serialization won't care, for example.

Also you can change from a Foo to a Bar in a non breaking manner, where it's name changed but the still have the same interface.

[–] okamiueru@lemmy.world 1 points 7 months ago* (last edited 7 months ago)

We're talking about type inference, right?

If you have countless examples, I'd be happy to entertain others that have to do with type inference, because 1) serialisation is not related, 2) renaming in APIs is arguably, also not. Though, I cannot remember the last time my IDE wasn't able to know, and do this for me.