Decision Workspace
leo-errors vs leo-span vs leo-ast
Side-by-side comparison of Rust crates
68
leo-errors
stablev4.0.2
Errors for the Leo programming language
69
leo-span
stablev4.0.2
Span handling for the Leo programming language
68
leo-ast
stablev4.0.2
Abstract syntax tree (AST) for the Leo programming language
Core Metrics
| leo-errors | leo-span | leo-ast | |
|---|---|---|---|
| Health Score | 68 | 69 | 68 |
| Total Downloads | 41.9K | 41.9K | 64.7K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 315 | 325 | 310 |
| Releases | 41 | 41 | 59 |
| Last Updated | 33d ago | 33d ago | 33d ago |
| Age | 3y 6m | 3y 6m | 5y 9m |
Health Breakdown
leo-errors
Maintenance
18
Quality
17
Community
17
Popularity
6
Documentation
10
leo-span
Maintenance
18
Quality
18
Community
17
Popularity
6
Documentation
10
leo-ast
Maintenance
17
Quality
18
Community
17
Popularity
6
Documentation
10
Technical Details
| leo-errors | leo-span | leo-ast | |
|---|---|---|---|
| Version | 4.0.2 | 4.0.2 | 4.0.2 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | GPL-3.0 | GPL-3.0 | GPL-3.0 |
| Dependencies | 9 | 4 | 8 |
| Crate Size | 51KB | 26KB | 118KB |
| Features | 0 | 0 | 2 |
| Yanked % | 2.4% | 2.4% | 1.7% |
| Edition | 2024 | 2024 | 2024 |
| MSRV | — | — | — |
| Owners | 3 | 3 | 4 |
Links
Quick Verdict
- •leo-span leads with a health score of 69/100, but none of the options score above 80.
- •leo-ast has the most downloads (64.7K), suggesting wider adoption.
- •leo-span is depended on by 325 crates — strongest ecosystem trust.