Decision Workspace
is_number vs sscanf vs simdutf8
Side-by-side comparison of Rust crates
45
is_number
growingv0.1.1
Check if a string can be parsed as a number
61
sscanf
growingv0.5.0
A sscanf (inverse of format!()) macro with near unlimited parsing capabilities
58
simdutf8
growingv0.1.5
SIMD-accelerated UTF-8 validation.
Core Metrics
| is_number | sscanf | simdutf8 | |
|---|---|---|---|
| Health Score | 45 | 61 | 58 |
| Total Downloads | 1.8K | 1.8M | 107.6M |
| 30d Downloads | 4 | 109.1K | 10.4M |
| Dependents | 0 | 135 | 2.5K |
| Releases | 2 | 17 | 9 |
| Last Updated | 495d ago | 27d ago | 551d ago |
| Age | 1y 4m | 5y | 4y 11m |
Health Breakdown
is_number
Maintenance
6
Quality
16
Community
6
Popularity
4
Documentation
13
sscanf
Maintenance
17
Quality
14
Community
11
Popularity
7
Documentation
12
simdutf8
Maintenance
4
Quality
19
Community
15
Popularity
8
Documentation
12
Technical Details
| is_number | sscanf | simdutf8 | |
|---|---|---|---|
| Version | 0.1.1 | 0.5.0 | 0.1.5 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 5 | 0 |
| Crate Size | 2KB | 64KB | 28KB |
| Features | 0 | 0 | 6 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2018 |
| MSRV | — | 1.88.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •sscanf leads with a health score of 61/100, but none of the options score above 80.
- •simdutf8 has the most downloads (107.6M), suggesting wider adoption.
- •simdutf8 is depended on by 2.5K crates — strongest ecosystem trust.
- •⚠ is_number, simdutf8 have not been updated in over a year.