Decision Workspace
cast vs az vs as_cast
Side-by-side comparison of Rust crates
47
cast
growingv0.3.0
Ergonomic, checked cast functions for primitive types
66
az
growingv1.3.0
Casts and checked casts.
50
as_cast
experimentalv0.3.1
Method-style, explicitly-lossy casts as an alternative to the as keyword.
Core Metrics
| cast | az | as_cast | |
|---|---|---|---|
| Health Score | 47 | 66 | 50 |
| Total Downloads | 216.1M | 21.8M | 29 |
| 30d Downloads | 11.5M | 1.1M | 0 |
| Dependents | 1.9K | 512 | 0 |
| Releases | 10 | 12 | 2 |
| Last Updated | 1773d ago | 175d ago | 7d ago |
| Age | 10y 5m | 6y 10m | 7d |
Health Breakdown
cast
Maintenance
3
Quality
12
Community
12
Popularity
8
Documentation
12
az
Maintenance
8
Quality
23
Community
12
Popularity
8
Documentation
15
as_cast
Maintenance
14
Quality
17
Community
5
Popularity
2
Documentation
12
Technical Details
| cast | az | as_cast | |
|---|---|---|---|
| Version | 0.3.0 | 1.3.0 | 0.3.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT/Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 1 | 0 | 0 |
| Crate Size | 11KB | 29KB | 19KB |
| Features | 1 | 2 | 3 |
| Yanked % | 10.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | 2024 |
| MSRV | — | 1.85.0 | 1.85.0 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •az leads with a health score of 66/100, but none of the options score above 80.
- •cast has the most downloads (216.1M), suggesting wider adoption.
- •cast is depended on by 1.9K crates — strongest ecosystem trust.
- •⚠ cast has not been updated in over a year.
- •cast, as_cast are pre-1.0 — API may change.