Decision Workspace
arr_macro vs const-array-init vs r0
Side-by-side comparison of Rust crates
44
arr_macro
growingv0.2.1
Initialize arrays with ease!
45
const-array-init
growingv1.0.0
Macros used to initialize arrays in const context using closure syntax or const function
61
r0
growingv1.0.0
Initialization code ('crt0') written in Rust
Core Metrics
| arr_macro | const-array-init | r0 | |
|---|---|---|---|
| Health Score | 44 | 45 | 61 |
| Total Downloads | 3.5M | 4.3K | 2.1M |
| 30d Downloads | 138.1K | 69 | 55.3K |
| Dependents | 128 | 7 | 193 |
| Releases | 7 | 1 | 5 |
| Last Updated | 1177d ago | 703d ago | 2214d ago |
| Age | 7y 3m | 1y 11m | 9y 5m |
Health Breakdown
arr_macro
Maintenance
3
Quality
15
Community
9
Popularity
8
Documentation
9
const-array-init
Maintenance
1
Quality
20
Community
8
Popularity
4
Documentation
12
r0
Maintenance
3
Quality
21
Community
17
Popularity
8
Documentation
12
Technical Details
| arr_macro | const-array-init | r0 | |
|---|---|---|---|
| Version | 0.2.1 | 1.0.0 | 1.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 0 | 0 |
| Crate Size | 7KB | 4KB | 11KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2018 |
| MSRV | — | 1.56.0 | — |
| Owners | 1 | 1 | 2 (team) |
Links
Quick Verdict
- •r0 leads with a health score of 61/100, but none of the options score above 80.
- •arr_macro has the most downloads (3.5M), suggesting wider adoption.
- •r0 is depended on by 193 crates — strongest ecosystem trust.
- •⚠ arr_macro, const-array-init, r0 have not been updated in over a year.
- •arr_macro is pre-1.0 — API may change.