Decision Workspace
drop_arena vs indextree vs slotmap-careful
Side-by-side comparison of Rust crates
38
drop_arena
growingv0.3.0
A single-type allocator which permits dropping and reclaiming of individual elements
77
indextree
stablev4.8.0
Arena based tree structure by using indices instead of reference counted pointers
66
slotmap-careful
growingv0.7.0
Wrap the slotmap crate and prevent key reuse
Core Metrics
| drop_arena | indextree | slotmap-careful | |
|---|---|---|---|
| Health Score | 38 | 77 | 66 |
| Total Downloads | 4.0K | 1.9M | 172.6K |
| 30d Downloads | 7 | 81.7K | 26.9K |
| Dependents | 0 | 721 | 102 |
| Releases | 3 | 30 | 13 |
| Last Updated | 588d ago | 3d ago | 24d ago |
| Age | 2y 10m | 9y 3m | 1y 6m |
Health Breakdown
drop_arena
Maintenance
5
Quality
14
Community
5
Popularity
4
Documentation
10
indextree
Maintenance
19
Quality
23
Community
13
Popularity
7
Documentation
15
slotmap-careful
Maintenance
20
Quality
15
Community
13
Popularity
6
Documentation
12
Technical Details
| drop_arena | indextree | slotmap-careful | |
|---|---|---|---|
| Version | 0.3.0 | 4.8.0 | 0.7.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT | MIT OR Apache-2.0 |
| Dependencies | 4 | 3 | 6 |
| Crate Size | 11KB | 27KB | 13KB |
| Features | 0 | 5 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2024 |
| MSRV | — | 1.85.0 | 1.89 |
| Owners | 1 | 1 | 4 |
Links
Quick Verdict
- •indextree leads with a health score of 77/100, but none of the options score above 80.
- •indextree is depended on by 721 crates — strongest ecosystem trust.
- •⚠ drop_arena has not been updated in over a year.
- •drop_arena, slotmap-careful are pre-1.0 — API may change.