slab
uniffi-rs
| slab | uniffi-rs | |
|---|---|---|
| 3 | 26 | |
| 648 | 2,301 | |
| 1.2% | 2.8% | |
| 4.4 | 9.5 | |
| about 2 months ago | 2 days ago | |
| Rust | Rust | |
| MIT License | Mozilla Public License 2.0 |
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.
slab
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Opaque Types for UniFFI
I'm going to show you how to use slab to send handles from rust to python and back to rust using an arena allocator called slab.
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Dipping Toes into Unsafe Code
Importantly, this is not to be confused with the popular slab crate, which internally uses the dynamically-sized, heap-allocated Vec. Although both crates provide indexed accesses and map-like features, option-block operates at a lower level.
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Beginner question: does it become easier to write datastructures with complex ownership semantics?
For the specific problem your mention with Vec, slab is quite nice.
uniffi-rs
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Opaque Types for UniFFI
On my youtube series "Growing up Rust", I'm building a personal CRM in Rust with a Swift frontend. I'm using CQRS and an event-driven architecture with the least amount of swift as possible. I'm using UniFFI to generate the bindings for swift (and in this example python)
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Willow Protocol
Not officially. We currently have bindings for rust, python, golang and swift.
These were the most asked for bindings (python for ml, golang for networking and swift for ios apps).
We are using uniffi https://mozilla.github.io/uniffi-rs/
Would you need C or C++ bindings?
- UniFFI: Automatically generate foreign-language bindings for Rust libraries
- Compiling Rust for .NET, using only tea and stubbornness
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Show HN: Pip Imports in Deno
An alternative is metacall. The example in the readme is about calling Python from Javascript, but it also works with other languages, like Ruby, C#, Java, and other languages
https://github.com/metacall/core
List of supported languages here https://github.com/metacall/core/blob/develop/docs/README.md...
In the future, maybe webidl (or extensions of it) will bring interoperability between languages too. At the moment there is https://mozilla.github.io/uniffi-rs/ for interoperability between Rust and a number of languages (basically the ones mozilla needs: Swift, Kotlin, Javascript)
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ffizz: Build a Beautiful C API in Rust
The tooling for the first kind -- calling Rust from another language -- is a bit less developed, and tends to rely on code generation that doesn't necessarily produce a natural C API. cbindgen, uniffi, cxx, and Diplomat all take this course.
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macOS Apps in Rust
Mozilla's uniffi-rs is really good. You write a common IDL and the bindings are generated automatically.
https://github.com/mozilla/uniffi-rs
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Write SDK “base” in Rust, wrap in other languages?
At Mozilla we built a multi-language bindings generator: https://github.com/mozilla/uniffi-rs/
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An experiment in the Rust compiler to begin devising a new cross-language ABI that's higher-level than the C ABI, with the goal of safer and easier FFI
Is there a connection with Mozilla UniFFI ?
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Tauri now supports Android/iOS in the 2.0 branch!
Rust <> Swift/ Kotlin works very well with uniffi-rs by Mozilla: https://github.com/mozilla/uniffi-rs
What are some alternatives?
slotmap - Slotmap data structure for Rust
flutter_rust_bridge - Flutter/Dart <-> Rust binding generator, feature-rich, but seamless and simple.
uniffi-slab-example - An example of how to use slab to send opaque types across the uniffi boundary as an id in the slab arena.
rust-android-gradle
PyO3 - Rust bindings for the Python interpreter
cxx - Safe interop between Rust and C++
wasmer-go - 🐹🕸️ WebAssembly runtime for Go
glommio - Glommio is a thread-per-core crate that makes writing highly parallel asynchronous applications in a thread-per-core architecture easier for rustaceans.
buttplug-rs - Rust Implementation of the Buttplug Sex Toy Control Protocol
flume - A safe and fast multi-producer, multi-consumer channel.
helix - A post-modern modal text editor.
Iron - An Extensible, Concurrent Web Framework for Rust