Decision Workspace
fielder vs fielder-proc vs os_metal_primitives
Side-by-side comparison of Rust crates
45
fielder
growingv0.2.0
Efficient and precise bitfields
43
fielder-proc
growingv0.1.2
Macros for fielder
51
os_metal_primitives
experimentalv0.1.0
Dependency-free bare-metal primitives for Rust OS development: typed MMIO, registers, bitfields, port I/O, IRQ tables, and driver state patterns.
Core Metrics
| fielder | fielder-proc | os_metal_primitives | |
|---|---|---|---|
| Health Score | 45 | 43 | 51 |
| Total Downloads | 3.8K | 2.6K | 68 |
| 30d Downloads | 7 | 58 | 68 |
| Dependents | 0 | 5 | 3 |
| Releases | 5 | 3 | 1 |
| Last Updated | 439d ago | 439d ago | 24d ago |
| Age | 1y 2m | 1y 2m | 24d |
Health Breakdown
fielder
Maintenance
10
Quality
16
Community
5
Popularity
4
Documentation
10
fielder-proc
Maintenance
6
Quality
16
Community
7
Popularity
4
Documentation
10
os_metal_primitives
Maintenance
11
Quality
17
Community
8
Popularity
2
Documentation
13
Technical Details
| fielder | fielder-proc | os_metal_primitives | |
|---|---|---|---|
| Version | 0.2.0 | 0.1.2 | 0.1.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT |
| Dependencies | 2 | 2 | 0 |
| Crate Size | 4KB | 5KB | 24KB |
| Features | 1 | 1 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •os_metal_primitives leads with a health score of 51/100, but none of the options score above 80.
- •fielder has the most downloads (3.8K), suggesting wider adoption.
- •⚠ fielder, fielder-proc have not been updated in over a year.