Decision Workspace
empty-collections vs vecmap-rs vs nonempty-collections
Side-by-side comparison of Rust crates
35
empty-collections
growingv0.1.0
Correct-by-construction empty collections.
59
vecmap-rs
growingv0.2.4
A vector-based map and set implementation
59
nonempty-collections
stablev1.3.0
Correct-by-construction non-empty collections.
Core Metrics
| empty-collections | vecmap-rs | nonempty-collections | |
|---|---|---|---|
| Health Score | 35 | 59 | 59 |
| Total Downloads | 1.6K | 880.1K | 5.1M |
| 30d Downloads | 4 | 189.2K | 496.2K |
| Dependents | 0 | 172 | 276 |
| Releases | 1 | 21 | 24 |
| Last Updated | 575d ago | 174d ago | 73d ago |
| Age | 1y 7m | 3y 6m | 2y 11m |
Health Breakdown
empty-collections
Maintenance
1
Quality
15
Community
5
Popularity
4
Documentation
10
vecmap-rs
Maintenance
10
Quality
17
Community
12
Popularity
7
Documentation
13
nonempty-collections
Maintenance
16
Quality
13
Community
12
Popularity
8
Documentation
10
Technical Details
| empty-collections | vecmap-rs | nonempty-collections | |
|---|---|---|---|
| Version | 0.1.0 | 0.2.4 | 1.3.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MPL-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 2 | 2 | 7 |
| Crate Size | 9KB | 36KB | 44KB |
| Features | 0 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 12.5% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •vecmap-rs leads with a health score of 59/100, but none of the options score above 80.
- •nonempty-collections has the most downloads (5.1M), suggesting wider adoption.
- •nonempty-collections is depended on by 276 crates — strongest ecosystem trust.
- •⚠ empty-collections has not been updated in over a year.
- •empty-collections, vecmap-rs are pre-1.0 — API may change.