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Compact_str Alternatives
Similar projects and alternatives to compact_str
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concurrent_arena
Container that can have elements insert/removed concurrently and uses a 'u32' as key.
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perf-ninja-rs
Rust port of dendibakh/perf-ninja - an online course where you can learn and master the skill of low-level performance analysis and tuning.
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NOTE:
The number of mentions on this list indicates mentions on common posts plus user suggested alternatives.
Hence, a higher number means a better compact_str alternative or higher similarity.
compact_str discussion
compact_str reviews and mentions
Posts with mentions or reviews of compact_str.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2025-09-12.
- UTF-8 is a brilliant design
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Small Strings in Rust: smolstr vs. smartstring
On the note of small strings, Compact String[1] was i believed released after this article and has a nifty trick. Where Smol and Smart can fit 22 and 23 bytes, CompactStr can fit 24! Which is kinda nutty imo, that's the full size of the normal String on the stack.. but packed with actual string data.
There's a nice explanation on their readme[2]. Love tricks like this.
[1]: https://github.com/ParkMyCar/compact_str
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Announcing `compact_str` version 0.7! A small string optimization for Rust
Not that I know of! As part of compact_str v0.6 we tried to make the API of CompactString 1:1 with String, inevitably we missed a few (1, 2, 3) things but they were fixed in this latest release.
... and more! Please see the CHANGELOG for more detail
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Is there a type like `std::num::NonZero*` but for other values than zero?
(See the compact_str implementation as an example.)
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Announcing `compact_str` version 0.6! A small string optimization for Rust
Along with performance improvements, this release includes implementing multiple methods for CompactString, to bring its API nearly 1:1 with String. The only exception being methods that don't have a direct port for a small string optimization, e.g. into_bytes, or methods that aren't yet stable. A full change log can be found here.
- What is Box and how is it different from String in Rust?
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Announcing `compact_str` version 0.5! A small string optimization for Rust
Doing this has been on the back of my mind for a while, just filed an issue to track this! #119
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Announcing `compact_str` version 0.4! A small string optimization for Rust
There's a draft pr for this.
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Why is it so hard to get traction learning rust?
Here're a few projects I considered interesting (including my own project) and relatively easy to participate: - pushgen Push-style design pattern for processing of ranges and data-streams. - compact_str A memory efficient immutable string type that can store up to 24* bytes on the stack - openssh-rs Scriptable SSH through OpenSSH in Rust - pegasus A multi-node parametrized command runner with a focus on simplicity - concurrent_arena Container that can have elements insert/removed concurrently and uses a 'u32' as key.
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A note from our sponsor - SaaSHub
www.saashub.com | 19 Aug 2026
Stats
Basic compact_str repo stats
18
868
8.1
about 1 month ago
ParkMyCar/compact_str is an open source project licensed under MIT License which is an OSI approved license.
The primary programming language of compact_str is Rust.
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