Decision Workspace
parse_arg vs sscanf vs dfmt
Side-by-side comparison of Rust crates
55
parse_arg
growingv1.0.1
Traits and implementations for parsing command-line arguments.
61
sscanf
growingv0.5.0
A sscanf (inverse of format!()) macro with near unlimited parsing capabilities
60
dfmt
experimentalv0.4.1
A fully featured dynamic template drop in replacement for the format! macro.
Core Metrics
| parse_arg | sscanf | dfmt | |
|---|---|---|---|
| Health Score | 55 | 61 | 60 |
| Total Downloads | 642.2K | 1.8M | 297 |
| 30d Downloads | 22.3K | 112.7K | 92 |
| Dependents | 182 | 135 | 8 |
| Releases | 9 | 17 | 6 |
| Last Updated | 339d ago | 27d ago | 53d ago |
| Age | 7y 4m | 5y | 3m |
Health Breakdown
parse_arg
Maintenance
6
Quality
20
Community
12
Popularity
7
Documentation
10
sscanf
Maintenance
17
Quality
14
Community
11
Popularity
7
Documentation
12
dfmt
Maintenance
16
Quality
17
Community
9
Popularity
3
Documentation
15
Technical Details
| parse_arg | sscanf | dfmt | |
|---|---|---|---|
| Version | 1.0.1 | 0.5.0 | 0.4.1 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MITNFA | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 5 | 0 |
| Crate Size | 6KB | 64KB | 21KB |
| Features | 0 | 0 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2024 | 2021 |
| MSRV | 1.63 | 1.88.0 | 1.81 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •sscanf leads with a health score of 61/100, but none of the options score above 80.
- •parse_arg is depended on by 182 crates — strongest ecosystem trust.
- •sscanf, dfmt are pre-1.0 — API may change.