Decision Workspace
spanned_json_parser vs nom-span vs flexon
Side-by-side comparison of Rust crates
41
spanned_json_parser
growingv0.2.0
A Json parser that gives you the line and column number for each value
40
nom-span
growingv0.1.2
Wrap your nom input into a span to get line, column and byte offset
55
flexon
experimentalv0.4.5
SIMD accelerated JSON parser
Core Metrics
| spanned_json_parser | nom-span | flexon | |
|---|---|---|---|
| Health Score | 41 | 40 | 55 |
| Total Downloads | 20.0K | 9.9K | 2.6K |
| 30d Downloads | 709 | 22 | 108 |
| Dependents | 0 | 0 | 0 |
| Releases | 3 | 3 | 18 |
| Last Updated | 868d ago | 534d ago | 1d ago |
| Age | 2y 4m | 2y 3m | 5m |
Health Breakdown
spanned_json_parser
Maintenance
5
Quality
15
Community
6
Popularity
5
Documentation
10
nom-span
Maintenance
6
Quality
15
Community
6
Popularity
5
Documentation
8
flexon
Maintenance
19
Quality
16
Community
6
Popularity
4
Documentation
10
Technical Details
| spanned_json_parser | nom-span | flexon | |
|---|---|---|---|
| Version | 0.2.0 | 0.1.2 | 0.4.5 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MIT |
| Dependencies | 6 | 3 | 5 |
| Crate Size | 11KB | 5KB | 78KB |
| Features | 1 | 0 | 8 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | — | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •flexon leads with a health score of 55/100, but none of the options score above 80.
- •spanned_json_parser has the most downloads (20.0K), suggesting wider adoption.
- •⚠ spanned_json_parser, nom-span have not been updated in over a year.