Decision Workspace
is_number vs vld vs sscanf
Side-by-side comparison of Rust crates
44
is_number
growingv0.1.1
Check if a string can be parsed as a number
60
vld
experimentalv0.3.0
Type-safe runtime validation library for Rust, inspired by Zod
59
sscanf
growingv0.5.0
A sscanf (inverse of format!()) macro with near unlimited parsing capabilities
Core Metrics
| is_number | vld | sscanf | |
|---|---|---|---|
| Health Score | 44 | 60 | 59 |
| Total Downloads | 1.8K | 948 | 2.0M |
| 30d Downloads | 0 | 0 | 91.5K |
| Dependents | 0 | 185 | 142 |
| Releases | 2 | 4 | 17 |
| Last Updated | 554d ago | 66d ago | 86d ago |
| Age | 1y 6m | 3m | 5y 2m |
Health Breakdown
is_number
Maintenance
5
Quality
16
Community
6
Popularity
4
Documentation
13
vld
Maintenance
14
Quality
15
Community
12
Popularity
4
Documentation
15
sscanf
Maintenance
14
Quality
14
Community
11
Popularity
8
Documentation
12
Technical Details
| is_number | vld | sscanf | |
|---|---|---|---|
| Version | 0.1.1 | 0.3.0 | 0.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 0 | 19 | 5 |
| Crate Size | 2KB | 100KB | 64KB |
| Features | 0 | 14 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | 1.70 | 1.88.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •vld leads with a health score of 60/100, but none of the options score above 80.
- •sscanf has the most downloads (2.0M), suggesting wider adoption.
- •vld is depended on by 185 crates — strongest ecosystem trust.
- •⚠ is_number has not been updated in over a year.