Decision Workspace
const_struct vs const-builder vs funcmap_derive
Side-by-side comparison of Rust crates
50
const_struct
growingv0.6.2
macro that allows const structures to be passed as const generics
58
const-builder
experimentalv0.1.6
Derive macro for const-compatible compile-time checked builders.
56
funcmap_derive
growingv0.1.7
Derivable functorial mappings for Rust
Core Metrics
| const_struct | const-builder | funcmap_derive | |
|---|---|---|---|
| Health Score | 50 | 58 | 56 |
| Total Downloads | 13.6K | 2.1K | 8.3K |
| 30d Downloads | 37 | 87 | 53 |
| Dependents | 2 | 8 | 8 |
| Releases | 16 | 7 | 8 |
| Last Updated | 221d ago | today | 14d ago |
| Age | 1y 7m | 8m | 3y 11m |
Health Breakdown
const_struct
Maintenance
10
Quality
16
Community
4
Popularity
5
Documentation
15
const-builder
Maintenance
20
Quality
13
Community
9
Popularity
4
Documentation
12
funcmap_derive
Maintenance
16
Quality
14
Community
9
Popularity
5
Documentation
12
Technical Details
| const_struct | const-builder | funcmap_derive | |
|---|---|---|---|
| Version | 0.6.2 | 0.1.6 | 0.1.7 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT/Apache-2.0 | MIT | MIT OR Apache-2.0 |
| Dependencies | 3 | 4 | 4 |
| Crate Size | 7KB | 25KB | 26KB |
| Features | 1 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | 1.80.0 | 1.85 | 1.82 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •const-builder leads with a health score of 58/100, but none of the options score above 80.
- •const_struct has the most downloads (13.6K), suggesting wider adoption.