Decision Workspace
trait-ffi vs auto_impl vs impl-tools
Side-by-side comparison of Rust crates
48
trait-ffi
experimentalv0.2.11
A Rust procedural macro library for creating and implementing extern fn with Trait.
66
auto_impl
growingv1.3.0
Automatically implement traits for common smart pointers and closures
60
impl-tools
growingv0.11.4
Helper macros: autoimpl
Core Metrics
| trait-ffi | auto_impl | impl-tools | |
|---|---|---|---|
| Health Score | 48 | 66 | 60 |
| Total Downloads | 16.1K | 47.0M | 707.3K |
| 30d Downloads | 3.1K | 3.5M | 66.4K |
| Dependents | 35 | 4.0K | 434 |
| Releases | 14 | 16 | 25 |
| Last Updated | 183d ago | 352d ago | 179d ago |
| Age | 8m | 8y 8m | 4y |
Health Breakdown
trait-ffi
Maintenance
11
Quality
13
Community
9
Popularity
5
Documentation
10
auto_impl
Maintenance
7
Quality
19
Community
17
Popularity
8
Documentation
15
impl-tools
Maintenance
11
Quality
15
Community
12
Popularity
7
Documentation
15
Technical Details
| trait-ffi | auto_impl | impl-tools | |
|---|---|---|---|
| Version | 0.2.11 | 1.3.0 | 0.11.4 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 5 | 5 | 7 |
| Crate Size | 6KB | 32KB | 26KB |
| Features | 0 | 0 | 2 |
| Yanked % | 0.0% | 0.0% | 4.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.56 | 1.70.0 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •auto_impl leads with a health score of 66/100, but none of the options score above 80.
- •auto_impl is depended on by 4.0K crates — strongest ecosystem trust.
- •trait-ffi, impl-tools are pre-1.0 — API may change.