heapless
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| heapless | cassette | |
|---|---|---|
| 4 | 1 | |
| 1,387 | 57 | |
| 2.9% | - | |
| 8.7 | 6.3 | |
| 23 days ago | 15 days ago | |
| Rust | Rust | |
| Apache License 2.0 | Apache License 2.0 |
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heapless
- """may_dangle""" stabilization
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Rust: A Critical Retrospective
> we did not have Vec because we were no-std + stable so we literally had to use arrays
It's true that Vec isn't available in a no-std context, but don't think it follows that arrays are the only other option - see heapless for one example: https://github.com/japaric/heapless
I also agree with some of the ancestors: the post seems to say that the Rust language couldn't handle arrays with more than 32 elements, and (as someone who's written a fair bit of no-std Rust before const generic) that doesn't seem right. At first, this did seem awkward to me as well, but in practice I haven't found it to be a significant limitation. Was there a particular scenario where it wasn't feasible to wrap a >32 element array in your own type and implement Default on it?
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Now that the long-awaited const generics (MVP) have come to stable in 1.51, what crates are going to gain the most from it?
It's happening
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Writing a proposal to use Rust at work
heapless has both SPSC and MPMC channels that work on embedded
cassette
What are some alternatives?
tinyvec - Just, really the littlest Vec you could need. So smol.
embassy - Modern embedded framework, using Rust and async.
blisp - A statically typed Lisp like scripting programming language for Rust.
wyhash-rs - wyhash fast portable non-cryptographic hashing algorithm and random number generator in Rust
scapegoat - Safe, fallible, embedded-friendly ordered set/map via a scapegoat tree. Validated against BTreeSet/BTreeMap.
governor - A rate-limiting library for Rust (f.k.a. ratelimit_meter)
utils - Utility crates used in RustCrypto
xargo - The sysroot manager that lets you build and customize `std`
regex-automata - A low level regular expression library that uses deterministic finite automata.
sprocket-boot - An I2C bootloader for the STM32G031
biscuit - Biscuit research OS
uom - Units of measurement -- type-safe zero-cost dimensional analysis