Decision Workspace
codespan vs syn-locator vs serde_json
Side-by-side comparison of Rust crates
65
codespan
growingv0.13.1
Data structures for tracking locations in source code
56
syn-locator
growingv0.2.0
A source mapper for syn syntax trees
81
serde_json
stablev1.0.150
A JSON serialization file format
Core Metrics
| codespan | syn-locator | serde_json | |
|---|---|---|---|
| Health Score | 65 | 56 | 81 |
| Total Downloads | 9.0M | 2.1K | 924.4M |
| 30d Downloads | 635.1K | 0 | 70.0M |
| Dependents | 916 | 3 | 821.7K |
| Releases | 24 | 9 | 182 |
| Last Updated | 215d ago | 3d ago | 4d ago |
| Age | 8y 1m | 1y 1m | 10y 9m |
Health Breakdown
codespan
Maintenance
7
Quality
17
Community
18
Popularity
8
Documentation
15
syn-locator
Maintenance
20
Quality
15
Community
5
Popularity
4
Documentation
12
serde_json
Maintenance
19
Quality
19
Community
20
Popularity
8
Documentation
15
Technical Details
| codespan | syn-locator | serde_json | |
|---|---|---|---|
| Version | 0.13.1 | 0.2.0 | 1.0.150 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | Apache-2.0 | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 3 | 4 | 15 |
| Crate Size | 15KB | 39KB | 156KB |
| Features | 4 | 1 | 8 |
| Yanked % | 0.0% | 0.0% | 1.1% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.67 | 1.65 | 1.71 |
| Owners | 3 | 1 | 2 (team) |
Links
Quick Verdict
- •serde_json has the highest health score (81/100) — a strong overall choice.
- •serde_json is depended on by 821.7K crates — strongest ecosystem trust.
- •codespan, syn-locator are pre-1.0 — API may change.