Decision Workspace
az vs as_cast vs cast
Side-by-side comparison of Rust crates
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.
47
cast
growingv0.3.0
Ergonomic, checked cast functions for primitive types
Core Metrics
| az | as_cast | cast | |
|---|---|---|---|
| Health Score | 66 | 50 | 47 |
| Total Downloads | 21.8M | 29 | 216.1M |
| 30d Downloads | 1.1M | 0 | 11.5M |
| Dependents | 512 | 0 | 1.9K |
| Releases | 12 | 2 | 10 |
| Last Updated | 175d ago | 7d ago | 1773d ago |
| Age | 6y 10m | 7d | 10y 5m |
Health Breakdown
az
Maintenance
8
Quality
23
Community
12
Popularity
8
Documentation
15
as_cast
Maintenance
14
Quality
17
Community
5
Popularity
2
Documentation
12
cast
Maintenance
3
Quality
12
Community
12
Popularity
8
Documentation
12
Technical Details
| az | as_cast | cast | |
|---|---|---|---|
| Version | 1.3.0 | 0.3.1 | 0.3.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 0 | 1 |
| Crate Size | 29KB | 19KB | 11KB |
| Features | 2 | 3 | 1 |
| Yanked % | 0.0% | 0.0% | 10.0% |
| Edition | 2024 | 2024 | 2018 |
| 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.
- •as_cast, cast are pre-1.0 — API may change.