Decision Workspace
dynosaur vs dynosaur_derive vs trait-variant
Side-by-side comparison of Rust crates
63
dynosaur
growingv0.3.0
Dynamic dispatch for return position impl traits and async in Rust
58
dynosaur_derive
growingv0.3.0
Dynamic dispatch for return position impl traits and async in Rust
55
trait-variant
growingv0.1.2
Utilities for working with impl traits in Rust
Core Metrics
| dynosaur | dynosaur_derive | trait-variant | |
|---|---|---|---|
| Health Score | 63 | 58 | 55 |
| Total Downloads | 877.2K | 876.5K | 7.5M |
| 30d Downloads | 91.6K | 91.6K | 847.3K |
| Dependents | 116 | 5 | 1.5K |
| Releases | 6 | 5 | 5 |
| Last Updated | 254d ago | 254d ago | 739d ago |
| Age | 1y 8m | 1y 5m | 2y 3m |
Health Breakdown
dynosaur
Maintenance
13
Quality
14
Community
14
Popularity
7
Documentation
15
dynosaur_derive
Maintenance
12
Quality
14
Community
10
Popularity
7
Documentation
15
trait-variant
Maintenance
4
Quality
14
Community
17
Popularity
8
Documentation
12
Technical Details
| dynosaur | dynosaur_derive | trait-variant | |
|---|---|---|---|
| Version | 0.3.0 | 0.3.0 | 0.1.2 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 5 | 4 |
| Crate Size | 14KB | 17KB | 6KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.75 | 1.75 | 1.75 |
| Owners | 2 | 2 | 2 |
Links
Quick Verdict
- •dynosaur leads with a health score of 63/100, but none of the options score above 80.
- •trait-variant has the most downloads (7.5M), suggesting wider adoption.
- •trait-variant is depended on by 1.5K crates — strongest ecosystem trust.
- •⚠ trait-variant has not been updated in over a year.