Decision Workspace
guard vs kiam vs inner
Side-by-side comparison of Rust crates
43
guard
growingv0.5.2
Macro implementation of RFC 1303: a guard-let-else statement a la Swift
40
kiam
growingv0.1.1
Better syntax for if/else chains (when!)
37
inner
growingv0.1.1
The inner! macro descends into an enum variant. It's more flexible than try!() and unwrap(), and it works with your enum, too!
Core Metrics
| guard | kiam | inner | |
|---|---|---|---|
| Health Score | 43 | 40 | 37 |
| Total Downloads | 651.8K | 9.3K | 1.5M |
| 30d Downloads | 1.7K | 61 | 19.1K |
| Dependents | 45 | 0 | 17 |
| Releases | 18 | 2 | 2 |
| Last Updated | 1027d ago | 1444d ago | 3703d ago |
| Age | 10y 4m | 5y 1m | 10y 1m |
Health Breakdown
guard
Maintenance
4
Quality
14
Community
10
Popularity
7
Documentation
8
kiam
Maintenance
3
Quality
15
Community
5
Popularity
5
Documentation
12
inner
Maintenance
3
Quality
10
Community
6
Popularity
7
Documentation
11
Technical Details
| guard | kiam | inner | |
|---|---|---|---|
| Version | 0.5.2 | 0.1.1 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | MIT | Apache-2.0/MIT |
| Dependencies | 0 | 0 | 0 |
| Crate Size | 9KB | 115KB | 3KB |
| Features | 2 | 0 | 0 |
| Yanked % | 11.1% | 0.0% | 50.0% |
| Edition | — | 2018 | — |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •guard leads with a health score of 43/100, but none of the options score above 80.
- •inner has the most downloads (1.5M), suggesting wider adoption.
- •⚠ guard, kiam, inner have not been updated in over a year.