Decision Workspace
immutable-seq vs rpds vs cc-traits
Side-by-side comparison of Rust crates
36
immutable-seq
growingv0.1.2
Immutable sequence data structure
66
rpds
growingv1.2.0
Persistent data structures with structural sharing
55
cc-traits
growingv2.0.0
Common collection traits
Core Metrics
| immutable-seq | rpds | cc-traits | |
|---|---|---|---|
| Health Score | 36 | 66 | 55 |
| Total Downloads | 5.6K | 11.4M | 4.3M |
| 30d Downloads | 6 | 953.2K | 437.4K |
| Dependents | 0 | 849 | 63 |
| Releases | 3 | 20 | 19 |
| Last Updated | 3330d ago | 138d ago | 1040d ago |
| Age | 9y 1m | 8y 4m | 5y 2m |
Health Breakdown
immutable-seq
Maintenance
3
Quality
15
Community
3
Popularity
4
Documentation
11
rpds
Maintenance
10
Quality
20
Community
13
Popularity
8
Documentation
15
cc-traits
Maintenance
6
Quality
18
Community
11
Popularity
8
Documentation
12
Technical Details
| immutable-seq | rpds | cc-traits | |
|---|---|---|---|
| Version | 0.1.2 | 1.2.0 | 2.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT | MIT/Apache-2.0 |
| Dependencies | 2 | 8 | 4 |
| Crate Size | 18KB | 73KB | 19KB |
| Features | 0 | 3 | 5 |
| Yanked % | 0.0% | 0.0% | 10.5% |
| Edition | — | 2024 | 2018 |
| MSRV | — | 1.85.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rpds leads with a health score of 66/100, but none of the options score above 80.
- •rpds is depended on by 849 crates — strongest ecosystem trust.
- •⚠ immutable-seq, cc-traits have not been updated in over a year.
- •immutable-seq is pre-1.0 — API may change.