Decision Workspace
hipstr vs flexstr vs arcstr
Side-by-side comparison of Rust crates
53
hipstr
growingv0.8.0
Yet another string for Rust: zero-cost borrow and slicing, inline representation for small strings, (atomic) reference counting
63
flexstr
growingv0.11.7
A flexible, simple to use, clone-efficient string type for Rust
64
arcstr
growingv1.2.0
A better reference-counted string type, with zero-cost (allocation-free) support for string literals, and reference counted substrings.
Core Metrics
| hipstr | flexstr | arcstr | |
|---|---|---|---|
| Health Score | 53 | 63 | 64 |
| Total Downloads | 506.1K | 1.1M | 10.4M |
| 30d Downloads | 142.2K | 30.1K | 1.1M |
| Dependents | 41 | 142 | 1.8K |
| Releases | 12 | 41 | 13 |
| Last Updated | 410d ago | 27d ago | 690d ago |
| Age | 2y 10m | 4y 1m | 5y 7m |
Health Breakdown
hipstr
Maintenance
8
Quality
16
Community
10
Popularity
7
Documentation
12
flexstr
Maintenance
17
Quality
14
Community
12
Popularity
7
Documentation
13
arcstr
Maintenance
4
Quality
22
Community
15
Popularity
8
Documentation
15
Technical Details
| hipstr | flexstr | arcstr | |
|---|---|---|---|
| Version | 0.8.0 | 0.11.7 | 1.2.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | Apache-2.0 OR MIT OR Zlib |
| Dependencies | 12 | 8 | 3 |
| Crate Size | 98KB | 45KB | 32KB |
| Features | 6 | 13 | 4 |
| Yanked % | 0.0% | 7.3% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.84.0 | — | 1.57.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •arcstr leads with a health score of 64/100, but none of the options score above 80.
- •arcstr is depended on by 1.8K crates — strongest ecosystem trust.
- •⚠ hipstr, arcstr have not been updated in over a year.
- •hipstr, flexstr are pre-1.0 — API may change.