watt
Runtime for executing procedural macros as WebAssembly (by dtolnay)
totally-safe-transmute | watt | |
---|---|---|
17 | 21 | |
245 | 1,227 | |
- | - | |
0.0 | 7.3 | |
over 1 year ago | 23 days ago | |
Rust | Rust | |
- | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
totally-safe-transmute
Posts with mentions or reviews of totally-safe-transmute.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-01-20.
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Sudo Replacement
For example, there is this (pure safe Rust) code: https://github.com/ben0x539/totally-safe-transmute/blob/main... which accesses external resources (/proc/self/mem) in order to violate the safety guarantees.
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A rust crate that lets you compress ASCII text to a single Unicode "character"
The first is the totally_safe_transmute crate. I mean, who wouldn't love library code that has .expect("welp") and .expect("oof") as its error handling? But that's not even the really scary part. Issue #2 ("i hate this") remains open to this day, but for obvious reasons there's no chance of resolution. This post has some context and a line-by-line explanation of how it works.
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What do you expect from Rust in 2023?
You mean like this?
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In C# you can transmute without `unsafe`
You can also do that in rust on linux: https://github.com/ben0x539/totally-safe-transmute/blob/master/src/lib.rs
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Why choose Rust
I want to correct this statement: Rust can be safer, but not if a library you use contains unsound code. Unsoundness is most often caused by unsafe code, but not always (totally_safe_transmute, anyone?). There is a misconception that unsafe code blocks are always unsound and should be avoided at all costs, but they're completely fine if the safety contracts are upheld. In fact, unsafe blocks isolate the potential issues to make it easier to identify where undefined behavior may be occurring. unsafe code blocks are a feature of the language, and their usage should not be viewed as opting out of any safety the language provides, imo.
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"# NONONONONONO DON'T YOU FUCKIN' DARE the safety features are there so that your programs aren't filled to the brim with security vulnerabilities. Unless you care A LOT(And I mean A LOT A LOT) about compile times, never use `unsafe`."
Just reimplement totally_safe_transmute in Zig. No need for unsafe.
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I mean, it solves most library conflicts
Why transmute() when you can totally_safe_transmute()?
- Safe Transmute
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Static Analyzer Rudra Found over 200 Memory Safety Issues in Rust Crates
Well, there is always the totally-safe-transmute.
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// SAFETY: NO
They should use https://github.com/ben0x539/totally-safe-transmute
watt
Posts with mentions or reviews of watt.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-08-19.
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Rust devs push back as Serde project ships precompiled binaries
The precompiled binary is not a sandboxed WASM binary. Despite the name "watt" it has nothing to do with https://github.com/dtolnay/watt . You can look at the actual code to see for yourself.
- Arbitrary code execution during compilation – rust
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syn v2.0.0 released
* Related: watt is one approach to pre-compile proc-macro crates using WASM.
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My first year with Rust: The good, the bad, the ugly
In addition to thiserror and anyhow, our resident superhuman Rust-improving Robot, dtolnay, also developed an experiment in distributing precompiled proc macros as WebAssembly named Watt and, though I never bothered to create a Zulip account so I don't know what was said, I'm told there has been discussion around the idea of implementing something in that vein.
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Rust is coming to the Linux kernel
I think when we have Cranelift, Mold, and maybe Watt all working together then compile times will basically be a non-issue. It'll be a few years though.
- watt: Runtime for executing (Rust) procedural macros as WebAssembly
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Security advisory: malicious crate rustdecimal | Rust Blog
Check out https://github.com/dtolnay/watt - it's a really interesting solution to the problem!
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Backdooring Rust crates for fun and profit
I really like the idea of Watt: https://github.com/dtolnay/watt Run macros in a wasm sandbox so they can't touch anything you don't explicitly allow.
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NPM malware and what it could imply for Cargo
I really wish there was more interest in getting something like Watt upstreamed.
- Things I hate about Rust, redux
What are some alternatives?
When comparing totally-safe-transmute and watt you can also consider the following projects:
tinyvec - Just, really the littlest Vec you could need. So smol.
godot-wasm-engine
tamago - TamaGo - ARM/RISC-V bare metal Go
cargo2nix - Granular builds of Rust projects for Nix
rust - Rust language bindings for TensorFlow
cap-std - Capability-oriented version of the Rust standard library
usbarmory - USB armory - The open source compact secure computer
kani - Kani Rust Verifier
advisory-db - Security advisory database for Rust crates published through crates.io
cargo-deny - ❌ Cargo plugin for linting your dependencies 🦀
UnsoundCrates - Black list of all crates that promotes unsoundness
awesome-wasm-runtimes - A list of webassemby runtimes
totally-safe-transmute vs tinyvec
watt vs godot-wasm-engine
totally-safe-transmute vs tamago
watt vs cargo2nix
totally-safe-transmute vs rust
watt vs cap-std
totally-safe-transmute vs usbarmory
watt vs kani
totally-safe-transmute vs advisory-db
watt vs cargo-deny
totally-safe-transmute vs UnsoundCrates
watt vs awesome-wasm-runtimes