Decision Workspace
supertrait vs easy-ext vs ambassador
Side-by-side comparison of Rust crates
42
supertrait
growingv0.2.1
Supertrait enables default associated types and const fn trait items in stable Rust
65
easy-ext
stablev1.0.3
A lightweight attribute macro for easily writing extension trait pattern.
54
ambassador
growingv0.5.0
Trait implementation delegation via procedural macros
Core Metrics
| supertrait | easy-ext | ambassador | |
|---|---|---|---|
| Health Score | 42 | 65 | 54 |
| Total Downloads | 4.6K | 3.0M | 3.2M |
| 30d Downloads | 40 | 161.3K | 397.8K |
| Dependents | 0 | 721 | 250 |
| Releases | 5 | 23 | 16 |
| Last Updated | 388d ago | 24d ago | 98d ago |
| Age | 2y 8m | 7y 1m | 6y 4m |
Health Breakdown
supertrait
Maintenance
5
Quality
17
Community
3
Popularity
4
Documentation
13
easy-ext
Maintenance
16
Quality
16
Community
14
Popularity
8
Documentation
11
ambassador
Maintenance
11
Quality
14
Community
12
Popularity
8
Documentation
9
Technical Details
| supertrait | easy-ext | ambassador | |
|---|---|---|---|
| Version | 0.2.1 | 1.0.3 | 0.5.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 2 | 1 | 5 |
| Crate Size | 10KB | 30KB | 35KB |
| Features | 2 | 0 | 0 |
| Yanked % | 0.0% | 13.0% | 0.0% |
| Edition | 2024 | 2018 | 2018 |
| MSRV | — | 1.31 | — |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •easy-ext leads with a health score of 65/100, but none of the options score above 80.
- •ambassador has the most downloads (3.2M), suggesting wider adoption.
- •easy-ext is depended on by 721 crates — strongest ecosystem trust.
- •⚠ supertrait has not been updated in over a year.
- •supertrait, ambassador are pre-1.0 — API may change.