Decision Workspace
zip_static_handler vs heapless vs once_cell
Side-by-side comparison of Rust crates
51
zip_static_handler
growingv0.22.1
Static file handler from zip archive
72
heapless
growingv0.9.3
`static` friendly data structures that don't require dynamic memory allocation
72
once_cell
stablev1.21.4
Single assignment cells and lazy values.
Core Metrics
| zip_static_handler | heapless | once_cell | |
|---|---|---|---|
| Health Score | 51 | 72 | 72 |
| Total Downloads | 35.9K | 85.2M | 911.7M |
| 30d Downloads | 0 | 10.8M | 73.1M |
| Dependents | 0 | 6.7K | 172.8K |
| Releases | 45 | 56 | 67 |
| Last Updated | 31d ago | 25d ago | 74d ago |
| Age | 2y 3m | 9y 1m | 7y 9m |
Health Breakdown
zip_static_handler
Maintenance
18
Quality
13
Community
5
Popularity
5
Documentation
10
heapless
Maintenance
17
Quality
13
Community
19
Popularity
8
Documentation
15
once_cell
Maintenance
15
Quality
18
Community
16
Popularity
8
Documentation
15
Technical Details
| zip_static_handler | heapless | once_cell | |
|---|---|---|---|
| Version | 0.22.1 | 0.9.3 | 1.21.4 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 26 | 12 | 5 |
| Crate Size | 44KB | 133KB | 35KB |
| Features | 9 | 12 | 9 |
| Yanked % | 2.2% | 5.4% | 11.9% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.87 | 1.65 |
| Owners | 1 | 4 (team) | 2 |
Links
Quick Verdict
- •heapless leads with a health score of 72/100, but none of the options score above 80.
- •once_cell has the most downloads (911.7M), suggesting wider adoption.
- •once_cell is depended on by 172.8K crates — strongest ecosystem trust.
- •zip_static_handler, heapless are pre-1.0 — API may change.