exhaustive
Ionide-vim
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exhaustive | Ionide-vim | |
---|---|---|
11 | 2 | |
271 | 154 | |
- | 6.5% | |
6.2 | 3.7 | |
7 days ago | about 1 month ago | |
Go | Vim Script | |
BSD 2-clause "Simplified" License | MIT License |
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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.
Ionide-vim
- Rust Is Hard, Or: The Misery of Mainstream Programming
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F# for Linux People
If you are a Vim/NeoVim user, you will be happy to know that F# support is surprisingly good. With the help of the F# Language Server plugin Ionide-Vim, you can get access to contextual code completion (called 'Intellisense' in Visual Studios), diagnostics, and much more.
What are some alternatives?
golangci-lint - Fast linters Runner for Go
neofsharp.vim - Basic F# support for (Neo)Vim 🔷
reposurgeon
jakt - The Jakt Programming Language
go-optional - A library that provides Go Generics friendly "optional" features.
emacs-fsharp-mode - F# Emacs mode
ionide-vscode-fsharp - VS Code plugin for F# development
triple-buffer - Implementation of triple buffering in Rust
enumcheck - Allows to mark Go enum types as exhaustive.
LanguageClient-neovim - Language Server Protocol (LSP) support for vim and neovim.
server
v-mode - 🌻 An Emacs major mode for the V programming language.