Decision Workspace
const-arrayvec vs staticvec vs flex_array
Side-by-side comparison of Rust crates
41
const-arrayvec
growingv0.2.1
A vec-like type backed by an array on the stack.
48
staticvec
growingv0.11.9
Implements a fixed-capacity stack-allocated Vec alternative backed by an array, using const generics.
46
flex_array
experimentalv0.2.5
A `#[no_std]` flexible array much like std::Vec but with custom indices and length and capacity types.
Core Metrics
| const-arrayvec | staticvec | flex_array | |
|---|---|---|---|
| Health Score | 41 | 48 | 46 |
| Total Downloads | 5.8K | 237.7K | 4.1K |
| 30d Downloads | 68 | 1.0K | 9 |
| Dependents | 10 | 65 | 0 |
| Releases | 3 | 96 | 7 |
| Last Updated | 2315d ago | 1274d ago | 329d ago |
| Age | 6y 4m | 6y 8m | 12m |
Health Breakdown
const-arrayvec
Maintenance
3
Quality
16
Community
9
Popularity
4
Documentation
9
staticvec
Maintenance
7
Quality
11
Community
11
Popularity
6
Documentation
13
flex_array
Maintenance
10
Quality
16
Community
6
Popularity
4
Documentation
10
Technical Details
| const-arrayvec | staticvec | flex_array | |
|---|---|---|---|
| Version | 0.2.1 | 0.11.9 | 0.2.5 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 0 | 4 | 1 |
| Crate Size | 11KB | 62KB | 19KB |
| Features | 0 | 2 | 4 |
| Yanked % | 0.0% | 22.9% | 0.0% |
| Edition | 2018 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •staticvec leads with a health score of 48/100, but none of the options score above 80.
- •⚠ const-arrayvec, staticvec have not been updated in over a year.