Decision Workspace
kael_collections vs d-ary-heap vs vec_map
Side-by-side comparison of Rust crates
52
kael_collections
experimentalv0.2.0
Standard collection type re-exports for Kael
59
d-ary-heap
experimentalv2.6.0
Generic d-ary heap priority queue supporting min/max via comparator, with O(1) item lookup for updates. Features configurable arity, efficient priority updates, and cross-language API compatibility.
56
vec_map
growingv0.8.2
A simple map based on a vector for small integer keys
Core Metrics
| kael_collections | d-ary-heap | vec_map | |
|---|---|---|---|
| Health Score | 52 | 59 | 56 |
| Total Downloads | 153 | 614 | 159.3M |
| 30d Downloads | 0 | 0 | 5.0M |
| Dependents | 14 | 0 | 1.4K |
| Releases | 4 | 3 | 10 |
| Last Updated | 2d ago | 32d ago | 2228d ago |
| Age | 20d | 5m | 11y 1m |
Health Breakdown
kael_collections
Maintenance
14
Quality
15
Community
8
Popularity
3
Documentation
12
d-ary-heap
Maintenance
17
Quality
20
Community
6
Popularity
3
Documentation
13
vec_map
Maintenance
4
Quality
16
Community
17
Popularity
8
Documentation
11
Technical Details
| kael_collections | d-ary-heap | vec_map | |
|---|---|---|---|
| Version | 0.2.0 | 2.6.0 | 0.8.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | Apache-2.0 | Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 2 | 0 | 1 |
| Crate Size | 6KB | 48KB | 14KB |
| Features | 1 | 2 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | — |
| MSRV | 1.87 | — | — |
| Owners | 1 | 1 | 3 (team) |
Links
Quick Verdict
- •d-ary-heap leads with a health score of 59/100, but none of the options score above 80.
- •vec_map has the most downloads (159.3M), suggesting wider adoption.
- •vec_map is depended on by 1.4K crates — strongest ecosystem trust.
- •⚠ vec_map has not been updated in over a year.
- •kael_collections, vec_map are pre-1.0 — API may change.