Decision Workspace
larc vs weak_static vs once_cell
Side-by-side comparison of Rust crates
40
larc
growingv0.5.0
Lazy Arc/Weak pointers
36
weak_static
growingv0.1.1
A macro for declaring lazy droppable statics.
75
once_cell
stablev1.21.4
Single assignment cells and lazy values.
Core Metrics
| larc | weak_static | once_cell | |
|---|---|---|---|
| Health Score | 40 | 36 | 75 |
| Total Downloads | 7.3K | 3.6K | 782.7M |
| 30d Downloads | 9 | 5 | 52.5M |
| Dependents | 0 | 0 | 162.5K |
| Releases | 6 | 2 | 67 |
| Last Updated | 878d ago | 3204d ago | 15d ago |
| Age | 2y 6m | 8y 9m | 7y 8m |
Health Breakdown
larc
Maintenance
4
Quality
16
Community
5
Popularity
5
Documentation
10
weak_static
Maintenance
3
Quality
15
Community
3
Popularity
4
Documentation
11
once_cell
Maintenance
18
Quality
18
Community
16
Popularity
8
Documentation
15
Technical Details
| larc | weak_static | once_cell | |
|---|---|---|---|
| Version | 0.5.0 | 0.1.1 | 1.21.4 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT/Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 1 | 5 |
| Crate Size | 5KB | 2KB | 35KB |
| Features | 0 | 0 | 9 |
| Yanked % | 0.0% | 0.0% | 11.9% |
| Edition | 2021 | — | 2021 |
| MSRV | — | — | 1.65 |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •once_cell leads with a health score of 75/100, but none of the options score above 80.
- •once_cell is depended on by 162.5K crates — strongest ecosystem trust.
- •⚠ larc, weak_static have not been updated in over a year.
- •larc, weak_static are pre-1.0 — API may change.