Decision Workspace
stable_gen_map vs slotmap vs slotmapd
Side-by-side comparison of Rust crates
56
stable_gen_map
experimentalv0.19.0
This crate provides Single-threaded generational maps with insert(&self), stable references across growth, and smart-pointer support (Box/Rc/Arc/&T)
57
slotmap
growingv1.1.1
Slotmap data structure
48
slotmapd
growingv1.0.11
orlp/slotmap fork where serialization cycle doesn't change observable behavior
Core Metrics
| stable_gen_map | slotmap | slotmapd | |
|---|---|---|---|
| Health Score | 56 | 57 | 48 |
| Total Downloads | 638 | 72.0M | 62.9K |
| 30d Downloads | 0 | 6.1M | 1.5K |
| Dependents | 0 | 4.6K | 2 |
| Releases | 32 | 21 | 6 |
| Last Updated | 2d ago | 170d ago | 677d ago |
| Age | 6m | 7y 10m | 2y 9m |
Health Breakdown
stable_gen_map
Maintenance
19
Quality
16
Community
6
Popularity
3
Documentation
12
slotmap
Maintenance
8
Quality
15
Community
15
Popularity
8
Documentation
11
slotmapd
Maintenance
4
Quality
21
Community
7
Popularity
6
Documentation
10
Technical Details
| stable_gen_map | slotmap | slotmapd | |
|---|---|---|---|
| Version | 0.19.0 | 1.1.1 | 1.0.11 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | Zlib | Zlib |
| Dependencies | 1 | 7 | 6 |
| Crate Size | 53KB | 62KB | 57KB |
| Features | 2 | 3 | 3 |
| Yanked % | 0.0% | 71.4% | 0.0% |
| Edition | 2021 | 2018 | 2021 |
| MSRV | 1.79.0 | 1.58.0 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •slotmap leads with a health score of 57/100, but none of the options score above 80.
- •slotmap is depended on by 4.6K crates — strongest ecosystem trust.
- •⚠ slotmapd has not been updated in over a year.
- •stable_gen_map is pre-1.0 — API may change.