Decision Workspace
nospin vs lazymut vs once_map
Side-by-side comparison of Rust crates
57
nospin
growingv0.2.4
Rust crate containing an embedded version of a Mutex which can be used in `no_std` projects which are single-threaded.
48
lazymut
experimentalv0.2.1
Similar to LazyCell, but use &mut self to get or initialization
64
once_map
growingv0.4.24
Single assignment and lazy maps
Core Metrics
| nospin | lazymut | once_map | |
|---|---|---|---|
| Health Score | 57 | 48 | 64 |
| Total Downloads | 3.7K | 1.1K | 943.1K |
| 30d Downloads | 0 | 0 | 76.3K |
| Dependents | 0 | 0 | 153 |
| Releases | 8 | 5 | 30 |
| Last Updated | 375d ago | 100d ago | 40d ago |
| Age | 1y | 9m | 3y 11m |
Health Breakdown
nospin
Maintenance
14
Quality
18
Community
6
Popularity
4
Documentation
15
lazymut
Maintenance
13
Quality
15
Community
6
Popularity
4
Documentation
10
once_map
Maintenance
17
Quality
13
Community
12
Popularity
7
Documentation
15
Technical Details
| nospin | lazymut | once_map | |
|---|---|---|---|
| Version | 0.2.4 | 0.2.1 | 0.4.24 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 2 | 0 | 7 |
| Crate Size | 26KB | 3KB | 16KB |
| Features | 6 | 0 | 5 |
| Yanked % | 0.0% | 0.0% | 10.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85 | — | 1.65 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •once_map leads with a health score of 64/100, but none of the options score above 80.
- •once_map is depended on by 153 crates — strongest ecosystem trust.
- •⚠ nospin has not been updated in over a year.