Decision Workspace
castaway vs try-specialize vs specializer
Side-by-side comparison of Rust crates
54
castaway
growingv0.2.4
Safe, zero-cost downcasting for limited compile-time specialization.
50
try-specialize
growingv0.1.2
Zero-cost specialization in generic context on stable Rust
50
specializer
growingv1.0.0
Limited safe specialization on stable Rust with builder-like pattern
Core Metrics
| castaway | try-specialize | specializer | |
|---|---|---|---|
| Health Score | 54 | 50 | 50 |
| Total Downloads | 74.7M | 4.0K | 959 |
| 30d Downloads | 7.8M | 359 | 4 |
| Dependents | 343 | 4 | 0 |
| Releases | 8 | 3 | 2 |
| Last Updated | 258d ago | 293d ago | 288d ago |
| Age | 4y 9m | 1y 5m | 10m |
Health Breakdown
castaway
Maintenance
7
Quality
17
Community
13
Popularity
8
Documentation
9
try-specialize
Maintenance
7
Quality
16
Community
8
Popularity
4
Documentation
15
specializer
Maintenance
7
Quality
18
Community
6
Popularity
4
Documentation
15
Technical Details
| castaway | try-specialize | specializer | |
|---|---|---|---|
| Version | 0.2.4 | 0.1.2 | 1.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | Apache-2.0 OR BSL-1.0 OR MIT |
| Dependencies | 2 | 11 | 1 |
| Crate Size | 13KB | 62KB | 14KB |
| Features | 3 | 7 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | 1.82.0 | 1.85 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •castaway leads with a health score of 54/100, but none of the options score above 80.
- •castaway is depended on by 343 crates — strongest ecosystem trust.
- •castaway, try-specialize are pre-1.0 — API may change.