Decision Workspace
identity_cast vs castaway vs trait-cast-macros
Side-by-side comparison of Rust crates
41
identity_cast
growingv1.0.0
A library for specializing on types dynamically via `Any`
54
castaway
growingv0.2.4
Safe, zero-cost downcasting for limited compile-time specialization.
52
trait-cast-macros
growingv0.4.0
Proc-macro implementation for the 'trait-cast' crate.
Core Metrics
| identity_cast | castaway | trait-cast-macros | |
|---|---|---|---|
| Health Score | 41 | 54 | 52 |
| Total Downloads | 1.7K | 74.7M | 5.2K |
| 30d Downloads | 4 | 7.8M | 64 |
| Dependents | 0 | 343 | 8 |
| Releases | 1 | 8 | 8 |
| Last Updated | 1686d ago | 258d ago | 107d ago |
| Age | 4y 7m | 4y 9m | 1y 3m |
Health Breakdown
identity_cast
Maintenance
1
Quality
21
Community
3
Popularity
4
Documentation
12
castaway
Maintenance
7
Quality
17
Community
13
Popularity
8
Documentation
9
trait-cast-macros
Maintenance
13
Quality
14
Community
11
Popularity
4
Documentation
10
Technical Details
| identity_cast | castaway | trait-cast-macros | |
|---|---|---|---|
| Version | 1.0.0 | 0.2.4 | 0.4.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 0 | 2 | 7 |
| Crate Size | 6KB | 13KB | 10KB |
| Features | 0 | 3 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2018 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 2 |
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.
- •⚠ identity_cast has not been updated in over a year.
- •castaway, trait-cast-macros are pre-1.0 — API may change.