Gradualizer
otp
Gradualizer | otp | |
---|---|---|
6 | 23 | |
607 | 11,049 | |
- | 0.3% | |
5.0 | 10.0 | |
2 days ago | about 20 hours ago | |
Erlang | Erlang | |
MIT License | Apache License 2.0 |
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Gradualizer
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eqwalizer VS Gradualizer - a user suggested alternative
2 projects | 17 Apr 2023
Gradualizer is a typechecker for Erlang. It's a bidirectional typechecker, which means it uses non-local type inference, i.e. a blend of typechecking with type inference. It aims to follow the principles of gradual typing, so that it's possible to add type annotations only to parts of your code, instead of the entire code base, and it's going to work with that. One of the eqwalizer authors, Ilya Klyuchnikov, contributed to Gradualizer in the past.
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[New] How do you verify program correctness in Elixir?
If you're looking for compile-time (or actually check-time) feedback you might be interested in Gradient, a gradual type checker for Elixir and a frontend to Gradualizer. These tools, while experimental, allow for applying "making illegal states unrepresentable" principle thanks to exhaustiveness checking. In general, they are more akin to the ML-style type checking than Dialyzer is.
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OCaml Programming: Correct and Efficient and Beautiful
I'm hoping that https://github.com/josefs/Gradualizer and its Elixir counterpart get us closer to what "I" want. I find dialyzer often inscrutable compared to something like OCaml's or Haskell's type errors.
I do still use it and typespecs, because it's better than no checking.
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Elixir and Phoenix after two years
There's Gradualyzer with support for Gradual Typing on the way.
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V0.14 of Gleam, a type safe language for the Erlang VM, has been released
There's an effort currently being led by Facebook to create gradual type system for Erlang call Gradualizer, which should also make its way over to Elixir.
https://github.com/josefs/Gradualizer
otp
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Install mutiple Erlang and Elixir with vfox
Theoretically, you could install any version that appears in https://github.com/erlang/otp/releases. Since it is compiled and installed from source, the installation process will take some time. When you see the following message, the installation is complete.
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Perfect Elixir: Environment Setup
I’m on MacOS and erlang.org, elixir-lang.org, and postgresql.org all suggest installation via Homebrew, which is a very popular package manager for MacOS.
- Scheduling Internals
- Epoll: The API that powers the modern internet (2022)
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Elixir v1.15 released
You can read my original report and subsequent PRs in Erlang/OTP here: https://github.com/erlang/otp/issues/5811
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Open Sourcing Erlfuzz
- a massive speedup of a common static analyzer for Erlang (https://github.com/erlang/otp/pull/5997)
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Why are there so many languages?
Funny that you should mention Erlang. Looking at the Github for Erlang, it appears that the source for Erlang is 16.8% written in C. I would bet these are not the least important bits of the whole thing. So, Erlang depends on C.
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Erlang: More Optimizations in the Compiler and JIT
It looks more like some of the JIT improvements made it profitable to manually unroll some loops in the base64 module: https://github.com/erlang/otp/commit/a03cf1601605dee767cd9d5...
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Mixing sync and async views in the same application
https://github.com/erlang/otp as far as I know. It's somewhat confusing and I honestly couldn't say exactly where the BEAM VM or OTP or ERTS (Erlang Runtime System) start and end. I've never dug into it. I just install Elixir and sometimes Erlang through the ASDF tool, which does all the compiling for me.
- When people send a https request to my custom web server, it crashes the entire system. How do I fortify my system not to accept em?
What are some alternatives?
purerl - Erlang backend for the PureScript compiler
protoactor-go - Proto Actor - Ultra fast distributed actors for Go, C# and Java/Kotlin
lumen - An alternative BEAM implementation, designed for WebAssembly
Elixir - Elixir is a dynamic, functional language for building scalable and maintainable applications
gradualixir - Gradualizer Mix Wrapper
calypso - Calypso is a mostly imperative language with some functional influences that is focused on flexibility and simplicity.
emqx - The most scalable open-source MQTT broker for IoT, IIoT, and connected vehicles
scryer-prolog - A modern Prolog implementation written mostly in Rust.
vernemq - A distributed MQTT message broker based on Erlang/OTP. Built for high quality & Industrial use cases. The VerneMQ mission is active & the project maintained. Thank you for your support!
caramel - :candy: a functional language for building type-safe, scalable, and maintainable applications
gradient - Gradient is a static typechecker for Elixir
cdk-emqx-cluster