Decision Workspace
champ-trie vs rpds vs imbl
Side-by-side comparison of Rust crates
48
champ-trie
experimentalv0.2.0
Persistent hash map based on CHAMP — canonical form, O(1) structural equality via AdHash, COW structural sharing
66
rpds
growingv1.2.0
Persistent data structures with structural sharing
62
imbl
stablev7.0.0
Immutable collection datatypes
Core Metrics
| champ-trie | rpds | imbl | |
|---|---|---|---|
| Health Score | 48 | 66 | 62 |
| Total Downloads | 114 | 11.4M | 1.7M |
| 30d Downloads | 89 | 984.2K | 197.0K |
| Dependents | 0 | 849 | 673 |
| Releases | 2 | 20 | 13 |
| Last Updated | 32d ago | 138d ago | 61d ago |
| Age | 1m | 8y 4m | 4y 7m |
Health Breakdown
champ-trie
Maintenance
12
Quality
14
Community
5
Popularity
2
Documentation
15
rpds
Maintenance
10
Quality
20
Community
13
Popularity
8
Documentation
15
imbl
Maintenance
13
Quality
15
Community
13
Popularity
7
Documentation
14
Technical Details
| champ-trie | rpds | imbl | |
|---|---|---|---|
| Version | 0.2.0 | 1.2.0 | 7.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | MIT | MPL-2.0+ |
| Dependencies | 1 | 8 | 25 |
| Crate Size | 25KB | 73KB | 139KB |
| Features | 0 | 3 | 4 |
| Yanked % | 0.0% | 0.0% | 7.7% |
| Edition | 2024 | 2024 | 2018 |
| MSRV | 1.93 | 1.85.0 | 1.85 |
| 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.
- •champ-trie is pre-1.0 — API may change.