Decision Workspace
null-terminated-str vs ustr vs ustr-fxhash
Side-by-side comparison of Rust crates
44
null-terminated-str
growingv0.1.4
FFI-friendly utf-8 string, enabling const null-terminated str and caching of the non-terminated string to avoid frequent allocation.
56
ustr
growingv1.1.0
Fast, FFI-friendly string interning.
54
ustr-fxhash
growingv1.0.1
Fast, FFI-friendly string interning.
Core Metrics
| null-terminated-str | ustr | ustr-fxhash | |
|---|---|---|---|
| Health Score | 44 | 56 | 54 |
| Total Downloads | 19.5K | 1.8M | 90.8K |
| 30d Downloads | 190 | 137.0K | 9.4K |
| Dependents | 8 | 525 | 288 |
| Releases | 5 | 15 | 2 |
| Last Updated | 1288d ago | 517d ago | 468d ago |
| Age | 3y 6m | 6y 4m | 2y 1m |
Health Breakdown
null-terminated-str
Maintenance
4
Quality
15
Community
8
Popularity
5
Documentation
12
ustr
Maintenance
6
Quality
17
Community
13
Popularity
7
Documentation
13
ustr-fxhash
Maintenance
5
Quality
17
Community
13
Popularity
6
Documentation
13
Technical Details
| null-terminated-str | ustr | ustr-fxhash | |
|---|---|---|---|
| Version | 0.1.4 | 1.1.0 | 1.0.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | BSD-2-Clause-Patent | BSD-2-Clause-Patent |
| Dependencies | 2 | 12 | 11 |
| Crate Size | 6KB | 351KB | 351KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.63 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •ustr leads with a health score of 56/100, but none of the options score above 80.
- •ustr is depended on by 525 crates — strongest ecosystem trust.
- •⚠ null-terminated-str, ustr, ustr-fxhash have not been updated in over a year.
- •null-terminated-str is pre-1.0 — API may change.