BorrowScript
polonius
BorrowScript | polonius | |
---|---|---|
9 | 31 | |
1,432 | 1,254 | |
- | 1.7% | |
5.5 | 0.0 | |
6 months ago | 7 months ago | |
HTML | Rust | |
- | Apache License 2.0 |
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BorrowScript
- TypeScript Without Side Effects
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Is it possible to have a superset of the C programming languages standard that is as safe as Rust?
You might be looking for something like https://github.com/alshdavid/BorrowScript
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Why are systems languages always overly complex?
I think AssemblyScript is the best example.
Adding the borrow checker is quite invasive though. This guy is trying https://github.com/alshdavid/BorrowScript.
I think it's a kind of fun constraint that experienced and bored devs like to challenge themselves with - the borrow checker. The latest obsession. You absolutely don't need a borrow checker, just like you didn't need everything to be functional programming, but it's intellectually stimulating.
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TypeScript as Fast as Rust: TypeScript++
Sounds like BorrowScript, which is TypeScript syntax, a Rust borrow checker, and Go-like coroutines. It's designed for wasm and web api targets. (not compatible with TypeScript though)
https://github.com/alshdavid/BorrowScript
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High level overview of the algorithm steps of Rust's borrow checker?
I asked how to implement a "borrow checker" in JavaScript in my initial attempts (I've learned a decent amount since), which led me to randomly finding BorrowScript that seems to have another implementation I think, so going to be taking a deeper look there for inspiration as well. But if one could explain the steps of the algorithm, and how it integrates/relates with the type inference process, that would be of great use. Not for learning how to use Rust, but to learn how this aspect of its compiler works.
- Rust-inspired borrow checker, TypeScript-inspired syntax
- BorrowScript: TypeScript with a Borrow Checker
- BorrowScript (spec) – Combining the Rust borrow checker with TypeScript syntax
- BorrowScript spec – Combining the Rust borrow checker with TypeScript syntax
polonius
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Why do lifetimes need to be leaky?
Correctness prover which uses lifetimes (Polonius).
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Databases are the endgame for data-oriented design
And, well, polonius (Rust borrow checker magic) I believe is built on datalog-ish concepts: https://github.com/rust-lang/polonius
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Why doesn't rust-analyzer reuse infrastructures of rustc?
There is also polonius (https://github.com/rust-lang/polonius) which should replace the borrow checker but does not receive a lot of development resources.
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Rust front-end merged in GCC trunk
This is eventually going to be a feature-complete compiler, targeting a specific rustc version. I believe the plan is to use polonius [1], presumably as an "optional" feature so they can build a stage 1 without it, use that to build polonius, then build the final compiler with it included.
[1] https://github.com/rust-lang/polonius
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Blog post: Rust in 2023
E.g. there you may just stop using current borrow-checker and switch to Polonius.
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What are Rust’s biggest weaknesses?
The borrow checker is too dumb (https://github.com/rust-lang/polonius) fixes a lot of this.
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Datafrog: A lightweight Datalog engine in Rust
It looks like an official borrow checker implementation called Polonius uses it as a dependency, so it makes sense: https://github.com/rust-lang/polonius/blob/981785c101b68ff54...
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Differential Datalog: a programming language for incremental computation
If you click around a little, you end up on a blog post with this tidbit:
> This project got put together rather suddenly, in response to some work the Rust folks are doing[1] on their new and improved borrow checker.
I don't think I could tell you more than "Frank wrote it to help rust folks who were previously doing work with differential-dataflow directly."
1. https://github.com/rust-lang/polonius/pull/36#issuecomment-3...
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Generic associated types to be stable in Rust 1.65
Good news is that there's also works going on to relax the restrictions, like polonius. But it seems that it still have a long way to go before it can land in stable Rust...
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Rust for Linux officially merged
GCC-rs isn't intended for bootstrapping, it is intended to be an actual fully featured Rust compiler in the future, mrustc is a Rust compiler intended for bootstrapping though. GCC-rs is still very early targeting an older version of the reference compiler without things like a borrow checker, but that's not going to be the case forever. The GCC-rs folks have expressed interest in re-using the borrow checker library used by the reference compiler called polonius enabling them to relatively easily add borrow checking.
What are some alternatives?
cyclone - Cyclone is a type- and memory-safe dialect of C
chalk - An implementation and definition of the Rust trait system using a PROLOG-like logic solver
Mezzano - An operating system written in Common Lisp
rfcs - RFCs for changes to Rust
lobster - The Lobster Programming Language
gccrs - GCC Front-End for Rust
swc - Rust-based platform for the Web
rustc_codegen_gcc - libgccjit AOT codegen for rustc
ValueScript - A dialect of TypeScript with value semantics.
miri - An interpreter for Rust's mid-level intermediate representation
DMDScript - An implementation of the ECMA 262 (Javascript) programming language
rust-blog - Educational blog posts for Rust beginners