Decision Workspace
hop-hash vs double-map vs enum-collections
Side-by-side comparison of Rust crates
40
hop-hash
experimentalv0.1.0
A Rust hash table using 8-way hopscotch hashing with constant-time worst-case lookups, and SIMD acceleration.
43
double-map
growingv0.14.0
A HashMap with double key to single data/value
59
enum-collections
stablev2.0.0
EnumMap implemented in safe rust
Core Metrics
| hop-hash | double-map | enum-collections | |
|---|---|---|---|
| Health Score | 40 | 43 | 59 |
| Total Downloads | 276 | 20.2K | 26.0K |
| 30d Downloads | 4 | 141 | 371 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 15 | 23 |
| Last Updated | 175d ago | 1431d ago | 3d ago |
| Age | 5m | 4y | 3y 3m |
Health Breakdown
hop-hash
Maintenance
5
Quality
14
Community
6
Popularity
3
Documentation
12
double-map
Maintenance
7
Quality
16
Community
5
Popularity
5
Documentation
10
enum-collections
Maintenance
19
Quality
17
Community
5
Popularity
5
Documentation
13
Technical Details
| hop-hash | double-map | enum-collections | |
|---|---|---|---|
| Version | 0.1.0 | 0.14.0 | 2.0.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | Apache-2.0 | Apache-2.0 |
| Dependencies | 8 | 0 | 5 |
| Crate Size | 222KB | 30KB | 13KB |
| Features | 9 | 0 | 6 |
| Yanked % | 0.0% | 0.0% | 13.0% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.89.0 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •enum-collections leads with a health score of 59/100, but none of the options score above 80.
- •⚠ double-map has not been updated in over a year.
- •hop-hash, double-map are pre-1.0 — API may change.