Decision Workspace
romap vs multi_index_map vs anymap3
Side-by-side comparison of Rust crates
44
romap
growingv0.4.0
A trait for read-only-maps
58
multi_index_map
growingv0.15.1
MultiIndexMap: A generic multi index map inspired by boost multi index containers
57
anymap3
growingv1.0.1
A safe and convenient store for one value of each type
Core Metrics
| romap | multi_index_map | anymap3 | |
|---|---|---|---|
| Health Score | 44 | 58 | 57 |
| Total Downloads | 3.9K | 231.0K | 1.2M |
| 30d Downloads | 8 | 21.1K | 192.7K |
| Dependents | 0 | 89 | 183 |
| Releases | 5 | 25 | 2 |
| Last Updated | 415d ago | 68d ago | 503d ago |
| Age | 1y 3m | 3y 8m | 2y 2m |
Health Breakdown
romap
Maintenance
7
Quality
17
Community
6
Popularity
4
Documentation
10
multi_index_map
Maintenance
15
Quality
15
Community
10
Popularity
6
Documentation
12
anymap3
Maintenance
5
Quality
22
Community
12
Popularity
7
Documentation
11
Technical Details
| romap | multi_index_map | anymap3 | |
|---|---|---|---|
| Version | 0.4.0 | 0.15.1 | 1.0.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | BlueOak-1.0.0 OR MIT OR Apache-2.0 |
| Dependencies | 1 | 6 | 1 |
| Crate Size | 6KB | 16KB | 14KB |
| Features | 3 | 3 | 2 |
| Yanked % | 0.0% | 4.0% | 0.0% |
| Edition | 2021 | 2021 | 2018 |
| MSRV | — | 1.62 | 1.36 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •multi_index_map leads with a health score of 58/100, but none of the options score above 80.
- •anymap3 has the most downloads (1.2M), suggesting wider adoption.
- •anymap3 is depended on by 183 crates — strongest ecosystem trust.
- •⚠ romap, anymap3 have not been updated in over a year.
- •romap, multi_index_map are pre-1.0 — API may change.