Decision Workspace
specs_messenger vs shrev vs specs-derive
Side-by-side comparison of Rust crates
30
specs_messenger
growingv0.1.0
message passing component for specs
57
shrev
growingv1.1.3
Event channel, meant to be used with `specs`.
53
specs-derive
growingv0.4.1
Custom derive macro for Specs components
Core Metrics
| specs_messenger | shrev | specs-derive | |
|---|---|---|---|
| Health Score | 30 | 57 | 53 |
| Total Downloads | 1.9K | 729.6K | 468.2K |
| 30d Downloads | 3 | 20.7K | 13.9K |
| Dependents | 0 | 129 | 139 |
| Releases | 1 | 20 | 5 |
| Last Updated | 2833d ago | 1392d ago | 2235d ago |
| Age | 7y 9m | 8y 6m | 8y 8m |
Health Breakdown
specs_messenger
Maintenance
1
Quality
15
Community
2
Popularity
4
Documentation
8
shrev
Maintenance
4
Quality
18
Community
16
Popularity
7
Documentation
12
specs-derive
Maintenance
6
Quality
15
Community
13
Popularity
7
Documentation
12
Technical Details
| specs_messenger | shrev | specs-derive | |
|---|---|---|---|
| Version | 0.1.0 | 1.1.3 | 0.4.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 3 | 0 | 3 |
| Crate Size | 4KB | 11KB | 5KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 5.0% | 0.0% |
| Edition | — | 2018 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 5 (team) | 4 |
Links
Quick Verdict
- •shrev leads with a health score of 57/100, but none of the options score above 80.
- •specs-derive is depended on by 139 crates — strongest ecosystem trust.
- •⚠ specs_messenger, shrev, specs-derive have not been updated in over a year.
- •specs_messenger, specs-derive are pre-1.0 — API may change.