Decision Workspace
meta_tuple vs downcast-rs vs better_any
Side-by-side comparison of Rust crates
43
meta_tuple
experimentalv0.5.0
A statically typed opaque tuple that can contain any type.
65
downcast-rs
growingv2.0.2
Trait object downcasting support using only safe Rust. It supports type parameters, associated types, and type constraints.
53
better_any
growingv0.2.1
Type id and Any for non static types
Core Metrics
| meta_tuple | downcast-rs | better_any | |
|---|---|---|---|
| Health Score | 43 | 65 | 53 |
| Total Downloads | 2.5K | 102.2M | 12.5M |
| 30d Downloads | 8 | 7.2M | 237.8K |
| Dependents | 0 | 4.4K | 99 |
| Releases | 8 | 15 | 5 |
| Last Updated | 75d ago | 207d ago | 105d ago |
| Age | 9m | 10y 3m | 5y 5m |
Health Breakdown
meta_tuple
Maintenance
15
Quality
11
Community
3
Popularity
4
Documentation
10
downcast-rs
Maintenance
8
Quality
23
Community
14
Popularity
8
Documentation
12
better_any
Maintenance
11
Quality
17
Community
8
Popularity
8
Documentation
9
Technical Details
| meta_tuple | downcast-rs | better_any | |
|---|---|---|---|
| Version | 0.5.0 | 2.0.2 | 0.2.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 2 | 0 | 3 |
| Crate Size | 14KB | 13KB | 14KB |
| Features | 2 | 3 | 4 |
| Yanked % | 25.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2018 |
| MSRV | — | 1.56 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •downcast-rs leads with a health score of 65/100, but none of the options score above 80.
- •downcast-rs is depended on by 4.4K crates — strongest ecosystem trust.
- •meta_tuple, better_any are pre-1.0 — API may change.