Decision Workspace
rustica vs rpds vs immutable-chunkmap
Side-by-side comparison of Rust crates
55
rustica
growingv0.12.0
Rustica is a functional programming library for the Rust language.
72
rpds
stablev1.2.1
Persistent data structures with structural sharing
58
immutable-chunkmap
growingv2.1.2
A fast immutable map and set with batch insert and update methods, COW operations, and big O efficient implementations of set and merge operations
Core Metrics
| rustica | rpds | immutable-chunkmap | |
|---|---|---|---|
| Health Score | 55 | 72 | 58 |
| Total Downloads | 12.7K | 13.4M | 4.3M |
| 30d Downloads | 0 | 1.0M | 215.2K |
| Dependents | 0 | 1.1K | 242 |
| Releases | 27 | 21 | 37 |
| Last Updated | 51d ago | 10d ago | 258d ago |
| Age | 1y 3m | 8y 6m | 8y 5m |
Health Breakdown
rustica
Maintenance
16
Quality
15
Community
6
Popularity
5
Documentation
13
rpds
Maintenance
16
Quality
20
Community
13
Popularity
8
Documentation
15
immutable-chunkmap
Maintenance
9
Quality
16
Community
13
Popularity
8
Documentation
12
Technical Details
| rustica | rpds | immutable-chunkmap | |
|---|---|---|---|
| Version | 0.12.0 | 1.2.1 | 2.1.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 | MIT | Apache-2.0 OR MIT |
| Dependencies | 11 | 9 | 14 |
| Crate Size | 368KB | 75KB | 48KB |
| Features | 5 | 3 | 4 |
| Yanked % | 0.0% | 0.0% | 10.8% |
| Edition | 2024 | 2024 | 2018 |
| MSRV | — | 1.85.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •rpds leads with a health score of 72/100, but none of the options score above 80.
- •rpds is depended on by 1.1K crates — strongest ecosystem trust.
- •rustica is pre-1.0 — API may change.