Decision Workspace
lazyonce vs lazycell vs double-checked-cell
Side-by-side comparison of Rust crates
42
lazyonce
growingv2.0.1
Use std::cell::OnceCell instead
56
lazycell
growingv1.3.0
A library providing a lazily filled Cell struct
50
double-checked-cell
growingv2.1.0
A thread-safe lazily initialized cell using double-checked locking
Core Metrics
| lazyonce | lazycell | double-checked-cell | |
|---|---|---|---|
| Health Score | 42 | 56 | 50 |
| Total Downloads | 6.6K | 172.4M | 50.7K |
| 30d Downloads | 2 | 6.1M | 161 |
| Dependents | 0 | 626 | 43 |
| Releases | 5 | 14 | 8 |
| Last Updated | 705d ago | 2054d ago | 1931d ago |
| Age | 7y 9m | 10y | 8y 4m |
Health Breakdown
lazyonce
Maintenance
3
Quality
14
Community
10
Popularity
5
Documentation
10
lazycell
Maintenance
4
Quality
22
Community
11
Popularity
8
Documentation
11
double-checked-cell
Maintenance
6
Quality
21
Community
9
Popularity
6
Documentation
8
Technical Details
| lazyonce | lazycell | double-checked-cell | |
|---|---|---|---|
| Version | 2.0.1 | 1.3.0 | 2.1.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | CC0-1.0 | MIT/Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 1 | 2 | 4 |
| Crate Size | 3KB | 13KB | 10KB |
| Features | 0 | 2 | 3 |
| Yanked % | 100.0% | 0.0% | 0.0% |
| Edition | 2021 | — | — |
| MSRV | — | — | — |
| Owners | 2 (team) | 1 | 1 |
Links
Quick Verdict
- •lazycell leads with a health score of 56/100, but none of the options score above 80.
- •lazycell is depended on by 626 crates — strongest ecosystem trust.
- •⚠ lazyonce, lazycell, double-checked-cell have not been updated in over a year.