exhaustive
mun
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exhaustive | mun | |
---|---|---|
11 | 26 | |
271 | 1,750 | |
- | 2.6% | |
6.2 | 7.2 | |
5 days ago | 10 days ago | |
Go | Rust | |
BSD 2-clause "Simplified" License | GNU General Public License v3.0 or later |
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exhaustive
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Compile-time safety for enumerations in Go
This is an analyzer that will catch this: https://github.com/nishanths/exhaustive
I believe it's in golangci-lint.
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Tools besides Go for a newbie
I agree linters in general are quite useful for Go though. The default suite from golangci-lint is quite good. I would also recommend enabling exhaustive if you're working with a codebase that uses "enums" (full disclosure, I contributed a bit to that project).
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What “sucks” about Golang?
there’s a linter for exhaustive matching: https://github.com/nishanths/exhaustive
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Rusty enums in Go
I tried to find that linter and found this: exhaustive
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Supporting the Use of Rust in the Chromium Project
And in Go you'd use a linter, like this one.
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Blog on enums in Go: benchmarks; issues; assembly
this is AST go vet analyzer that performs just that: https://github.com/nishanths/exhaustive (too bad it can not do struct based enums..)
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Rust Is Hard, Or: The Misery of Mainstream Programming
>> the main thing missing from Go is ADT's. After using these in Rust and Swift, a programming language doesn't really feel complete without them
What are the differences between an ADT (plus pattern matching i’d reckon?) in Rust/Swift vs the equiv in Go (tagged interfaces + switch statement)?
One has exhaustive matching at compile time, the other has a default clause (non exhaustive matching), although there’s an important nub here with respect to developer experience; it would be idiomatic in Go to use static analysis tooling (e.g. Rob Pike is on record saying that various checks - inc this one - don’t belong in the compiler and should live in go vet). I’ve been playing with Go in a side project and using golint-ci which invokes https://github.com/nishanths/exhaustive - net result, in both go and rust, i get a red line of text annotated at the switch in vscode if i miss a case.
Taking a step back, there isn’t a problem you can solve with one that you can’t solve with the other, or is there?
To take a step further back, why incomplete?
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Why are enums not a thing in Go?
Use a linter.
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1.18 is released
For an exhaustive linter, were you referring to this? It looks pretty nice. If it's possible to check this with static analysis, is it something that could be in the compiler itself in the future?
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Go Replaces Interface{} with 'Any'
https://github.com/nishanths/exhaustive
here, have fun. You’re gonna write some tests, make new types to satisfy interfaces for testing, and then wind up with branches for your test paths in your live code, but go for it, I guess. You know everything! I am but a simple blubbite, too dim, too dim to get it.
mun
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Hotswapping on native languages?
Mun is a statically typed language that compiles to machine code with LLVM, designed to be hot-reloadable: https://mun-lang.org/.
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Best language to use as a scripting lang for my rust app
Perhaps https://mun-lang.org? Might be a bit raw for your needs tho.
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Mun v0.4.0 released
But that’s not all! In total, this release contains 111 pull requests made by 5 of our community contributors and our two Core Team members & Dependabot. Thanks for having our back! For a full list have a look at the changelog, but the main improvements are:
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Mun v0.4.0: a statically-typed scripting language like Rust, written in Rust
Whenever I read about Mun, I'm always really, really intrigued… Until I remember that it currently has no string type and support for one is not currently planned. That's a bit of a shame, IMHO, because otherwise, this looks great!
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Wren is a small, fast, class-based concurrent scripting language
There's mun [1] which is statically typed and AOT compiled.
1: https://github.com/mun-lang/mun
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Lessons from Writing a Compiler
From the reverse-dependencies of the salsa crate, the (archived) Lark compiler used it and the Mun compiler uses it.
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(async) Rust doesn't have to be hard
I notice that there are projects like mun trying to achieve a similar goal, but I'm kind of curious why they are not getting much attention from the community.
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Rust Is Hard, Or: The Misery of Mainstream Programming
Have you heard of https://mun-lang.org/ ?
It's an embeddable scripting language with the goal of being a Rust-like language that supports hot reloading of functions AND data. To achieve the latter, it uses GC'ed memory such that memory can easily be mapped when the memory's type changes.
It's still in early development but maybe one day will serve your needs :)
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After working on our Godot + Rust game fulltime for one year it is now up on Steam
In terms of pure Rust engines/frameworks it seems the overall "problem" is lack of scripting, at least from my perspective. Mun seemed extremely interesting, but since even the project itself says "don't use it" I guess it's not a real option, and considering the amount of time we spent on the GDScript/Rust integration I'm a little worried that rolling something more custom would be even less efficient.
- Python interpreter written in rust reaches 10000 commits
What are some alternatives?
golangci-lint - Fast linters Runner for Go
Rhai - Rhai - An embedded scripting language for Rust.
reposurgeon
rune - An embeddable dynamic programming language for Rust.
go-optional - A library that provides Go Generics friendly "optional" features.
janet - A dynamic language and bytecode vm
Ionide-vim - F# Vim plugin based on FsAutoComplete and LSP protocol
lobster - The Lobster Programming Language
enumcheck - Allows to mark Go enum types as exhaustive.
RustPython - A Python Interpreter written in Rust
server
tl - The compiler for Teal, a typed dialect of Lua