Decision Workspace
lazy-exclusive vs once_cell vs lazy-regex
Side-by-side comparison of Rust crates
53
lazy-exclusive
growingv1.0.5
A global type like LazyLock/LazyStatic
75
once_cell
stablev1.21.4
Single assignment cells and lazy values.
71
lazy-regex
stablev3.6.0
lazy static regular expressions checked at compile time
Core Metrics
| lazy-exclusive | once_cell | lazy-regex | |
|---|---|---|---|
| Health Score | 53 | 75 | 71 |
| Total Downloads | 3.8K | 782.7M | 28.1M |
| 30d Downloads | 38 | 52.5M | 2.5M |
| Dependents | 0 | 162.5K | 4.3K |
| Releases | 6 | 67 | 32 |
| Last Updated | 354d ago | 15d ago | 44d ago |
| Age | 11m | 7y 8m | 6y 5m |
Health Breakdown
lazy-exclusive
Maintenance
15
Quality
20
Community
4
Popularity
4
Documentation
10
once_cell
Maintenance
18
Quality
18
Community
16
Popularity
8
Documentation
15
lazy-regex
Maintenance
15
Quality
22
Community
14
Popularity
8
Documentation
12
Technical Details
| lazy-exclusive | once_cell | lazy-regex | |
|---|---|---|---|
| Version | 1.0.5 | 1.21.4 | 3.6.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 2 | 5 | 4 |
| Crate Size | 9KB | 35KB | 11KB |
| Features | 3 | 9 | 16 |
| Yanked % | 0.0% | 11.9% | 3.1% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.65 | 1.71 |
| Owners | 1 | 2 | 1 |
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.