enum-map
wg-allocators
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| enum-map | wg-allocators | |
|---|---|---|
| 3 | 18 | |
| 21 | 188 | |
| - | 0.0% | |
| 0.0 | 0.0 | |
| - | about 3 years ago | |
| Rust | ||
| MIT License | - |
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enum-map
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(Tip of my fingers) Library with a macro to create an enum from a range
I know I could write (and have written) this enum myself by hand. I don't want to use a newtype around u8 or something like that because I want the static guarantees of an enum — plus I'm using EnumMap to create statically-allocated maps with enum keys, so I'm hoping whatever this library was will play nicely with it.
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Is std::collections::HashMap optimized for enums?
What you might want is enum-map instead.
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What's your favourite under-rated Rust crate and why?
enum_map is great for dense maps where the keys are the variants of a discriminant-only enum.
wg-allocators
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Anouncing `stabby` 1.0!
Tracking issue for Storages, and a TLDR on what it is
- What backwards-incompatible changes would you make in a hypothetical Rust 2.0?
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Custom allocators in Rust
I must have gotten confused, since from your brief discussion with CAD97 it seemed like there was a way for the concepts to live separately and that Storage could complicate things in comparison. But if implementing Allocator in terms of Storage is basically equivalent and Storage is flexible enough that I could write one to pass memory out to unsafe code, that works just as well.
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Zig and Rust
https://rust-lang.github.io/rfcs/1974-global-allocators.html was the original RFC.
My vague understanding is that there's a working group https://github.com/rust-lang/wg-allocators
The further I get from working on Rust day to day, the less I know about these things, so that's all I've got for you.
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Rust went from side project to world’s fastest growing language
If you self-reference using pointers and guarantee the struct will never move, you don't even need unsafe. If you self-reference using offsets from the struct's base pointer, you need a splash of unsafe but your struct can be freely moved without invalidating its self-referential "pointers".
Per-struct allocators are a work in progress (see https://github.com/rust-lang/wg-allocators/issues/48).
Not sure what "non thread local addresses" means, but in my experience Rust is pretty good at sending data between threads (without moving it).
- Rust is coming to the Linux kernel
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FunDSP 0.1.0, an audio processing and synthesis library
Besides that allocation is not really a problem for no_std. It's resolved by using alloc crate directly, so anything usable with custom allocators is supported. Example in dasp sources - https://github.com/RustAudio/dasp/blob/master/dasp_slice/src/boxed.rs#L14-L19 . Also worth looking at this issue to check what is usable already - https://github.com/rust-lang/wg-allocators/issues/7
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Andrew Kelley claims Zig is faster than Rust in perfomance
But that's on track for rust as well: https://github.com/rust-lang/wg-allocators/issues/7
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Which important features from C/C++ are missing in Rust
Here: https://github.com/rust-lang/rfcs/pull/1398. there is also a working group for this: https://github.com/rust-lang/wg-allocators.
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Box<T> allocator override?
It's unstable. wg-allocators contains discussions about design and a tracking issue for collections that need an allocator https://github.com/rust-lang/wg-allocators/issues/7
What are some alternatives?
strum - A small rust library for adding custom derives to enums
www.ziglang.org
parse-size - Parse byte size into integer accurately.
serde-plain - A serde serializer that serializes a subset of types into plain strings
structopt - Parse command line arguments by defining a struct.
rules_rust - Rust rules for Bazel
cryptography - cryptography is a package designed to expose cryptographic primitives and recipes to Python developers.
actix-web-static-files - actix-web static files as resources support
dpp - Directly include C headers in D source code
NumToA - An efficient method of heaplessly converting numbers into their string representations, storing the representation within a reusable byte array.
fuzzcheck-rs - Modular, structure-aware, and feedback-driven fuzzing engine for Rust functions