Decision Workspace
lazing vs once_cell vs lazy-regex
Side-by-side comparison of Rust crates
37
lazing
growingv0.1.1
A macro like lazy_static can initialize static variables.
70
once_cell
stablev1.21.4
Single assignment cells and lazy values.
67
lazy-regex
growingv3.6.0
lazy static regular expressions checked at compile time
Core Metrics
| lazing | once_cell | lazy-regex | |
|---|---|---|---|
| Health Score | 37 | 70 | 67 |
| Total Downloads | 3.2K | 1.0B | 35.9M |
| 30d Downloads | 0 | 46.1M | 1.2M |
| Dependents | 0 | 182.2K | 4.7K |
| Releases | 2 | 67 | 32 |
| Last Updated | 2297d ago | 123d ago | 152d ago |
| Age | 6y 3m | 7y 11m | 6y 9m |
Health Breakdown
lazing
Maintenance
3
Quality
15
Community
3
Popularity
4
Documentation
12
once_cell
Maintenance
13
Quality
18
Community
16
Popularity
8
Documentation
15
lazy-regex
Maintenance
11
Quality
22
Community
14
Popularity
8
Documentation
12
Technical Details
| lazing | once_cell | lazy-regex | |
|---|---|---|---|
| Version | 0.1.1 | 1.21.4 | 3.6.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 3 | 5 | 4 |
| Crate Size | 3KB | 35KB | 11KB |
| Features | 0 | 9 | 16 |
| Yanked % | 0.0% | 11.9% | 3.1% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.65 | 1.71 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •once_cell leads with a health score of 70/100, but none of the options score above 80.
- •once_cell is depended on by 182.2K crates — strongest ecosystem trust.
- •⚠ lazing has not been updated in over a year.
- •lazing is pre-1.0 — API may change.