Decision Workspace
leo3 vs lean-rs-sys vs lean-rs
Side-by-side comparison of Rust crates
48
leo3
experimentalv0.2.2
Rust bindings for the Lean4 theorem prover
58
lean-rs-sys
experimentalv0.3.0
Raw FFI bindings for the Lean 4 C ABI. See `lean-rs` for the safe front door.
53
lean-rs
experimentalv0.3.0
Safe Rust bindings for Lean 4 interop: runtime initialization, object handles, typed ABI conversions, module loading, exported function calls, semantic handles, and callback handles.
Core Metrics
| leo3 | lean-rs-sys | lean-rs | |
|---|---|---|---|
| Health Score | 48 | 58 | 53 |
| Total Downloads | 260 | 1.0K | 779 |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 80 | 51 |
| Releases | 9 | 26 | 26 |
| Last Updated | 87d ago | 24d ago | 24d ago |
| Age | 7m | 1m | 1m |
Health Breakdown
leo3
Maintenance
14
Quality
14
Community
5
Popularity
3
Documentation
12
lean-rs-sys
Maintenance
12
Quality
16
Community
11
Popularity
4
Documentation
15
lean-rs
Maintenance
12
Quality
12
Community
11
Popularity
3
Documentation
15
Technical Details
| leo3 | lean-rs-sys | lean-rs | |
|---|---|---|---|
| Version | 0.2.2 | 0.3.0 | 0.3.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 12 | 4 | 11 |
| Crate Size | 242KB | 44KB | 138KB |
| Features | 9 | 5 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | 1.88 | 1.91 | 1.91 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lean-rs-sys leads with a health score of 58/100, but none of the options score above 80.