Decision Workspace
const-buffer vs arrayvec vs arraybox
Side-by-side comparison of Rust crates
38
const-buffer
growingv0.1.2
A fixed-capacity memory buffer allocated on the stack using const generics.
64
arrayvec
growingv0.7.6
A vector with fixed capacity, backed by an array (it can be stored on the stack too). Implements fixed capacity ArrayVec and ArrayString.
49
arraybox
growingv0.1.4
A box with fixed capacity, backed by a byte array (it can be stored on the stack too). Implements fixed capacity `ArrayBox`.
Core Metrics
| const-buffer | arrayvec | arraybox | |
|---|---|---|---|
| Health Score | 38 | 64 | 49 |
| Total Downloads | 4.4K | 362.1M | 13.2K |
| 30d Downloads | 7 | 23.0M | 93 |
| Dependents | 0 | 16.0K | 9 |
| Releases | 3 | 55 | 6 |
| Last Updated | 2019d ago | 587d ago | 524d ago |
| Age | 6y 1m | 10y 10m | 3y 2m |
Health Breakdown
const-buffer
Maintenance
3
Quality
16
Community
6
Popularity
4
Documentation
9
arrayvec
Maintenance
6
Quality
16
Community
20
Popularity
8
Documentation
14
arraybox
Maintenance
6
Quality
16
Community
9
Popularity
5
Documentation
13
Technical Details
| const-buffer | arrayvec | arraybox | |
|---|---|---|---|
| Version | 0.1.2 | 0.7.6 | 0.1.4 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 6 | 0 |
| Crate Size | 12KB | 31KB | 3KB |
| Features | 0 | 2 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2018 | 2021 |
| MSRV | — | 1.51 | — |
| Owners | 1 | 2 (team) | 1 |
Links
Quick Verdict
- •arrayvec leads with a health score of 64/100, but none of the options score above 80.
- •arrayvec is depended on by 16.0K crates — strongest ecosystem trust.
- •⚠ const-buffer, arrayvec, arraybox have not been updated in over a year.