Decision Workspace
const_hashmap vs mule-map vs implhm
Side-by-side comparison of Rust crates
43
const_hashmap
experimentalv0.1.1
Compile-time hash map for any const-hashable key
45
mule-map
growingv0.1.3
A hybrid between a HashMap and a lookup table
43
implhm
growingv1.0.8
Simplified library of collision-handling HashMaps
Core Metrics
| const_hashmap | mule-map | implhm | |
|---|---|---|---|
| Health Score | 43 | 45 | 43 |
| Total Downloads | 1.4K | 2.4K | 11.6K |
| 30d Downloads | 20 | 6 | 3 |
| Dependents | 1 | 0 | 0 |
| Releases | 2 | 4 | 10 |
| Last Updated | 329d ago | 231d ago | 1408d ago |
| Age | 10m | 1y 3m | 3y 11m |
Health Breakdown
const_hashmap
Maintenance
7
Quality
16
Community
4
Popularity
4
Documentation
12
mule-map
Maintenance
12
Quality
14
Community
5
Popularity
4
Documentation
10
implhm
Maintenance
4
Quality
19
Community
5
Popularity
5
Documentation
10
Technical Details
| const_hashmap | mule-map | implhm | |
|---|---|---|---|
| Version | 0.1.1 | 0.1.3 | 1.0.8 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 1 | 4 | 0 |
| Crate Size | 6KB | 23KB | 7KB |
| Features | 2 | 0 | 13 |
| Yanked % | 0.0% | 0.0% | 100.0% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.86.0 | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mule-map leads with a health score of 45/100, but none of the options score above 80.
- •implhm has the most downloads (11.6K), suggesting wider adoption.
- •⚠ implhm has not been updated in over a year.
- •const_hashmap, mule-map are pre-1.0 — API may change.