Decision Workspace
fat_type vs erasable vs ptr-union
Side-by-side comparison of Rust crates
40
fat_type
growingv0.3.0
A type which permits thin references to arrays and dynamic types.
53
erasable
growingv1.3.0
Type-erased thin pointers.
47
ptr-union
growingv2.3.0
Pointer union types the size of a pointer by storing the tag in the alignment bits.
Core Metrics
| fat_type | erasable | ptr-union | |
|---|---|---|---|
| Health Score | 40 | 53 | 47 |
| Total Downloads | 4.2K | 2.2M | 26.7K |
| 30d Downloads | 6 | 290.2K | 1.8K |
| Dependents | 0 | 63 | 12 |
| Releases | 3 | 6 | 11 |
| Last Updated | 1159d ago | 435d ago | 435d ago |
| Age | 4y 9m | 6y 1m | 6y 1m |
Health Breakdown
fat_type
Maintenance
4
Quality
16
Community
6
Popularity
4
Documentation
10
erasable
Maintenance
4
Quality
18
Community
11
Popularity
8
Documentation
12
ptr-union
Maintenance
5
Quality
16
Community
9
Popularity
5
Documentation
12
Technical Details
| fat_type | erasable | ptr-union | |
|---|---|---|---|
| Version | 0.3.0 | 1.3.0 | 2.3.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | Apache-2.0 OR MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 0 | 3 | 3 |
| Crate Size | 11KB | 11KB | 9KB |
| Features | 0 | 2 | 2 |
| Yanked % | 0.0% | 16.7% | 36.4% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.80 | 1.80 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •erasable leads with a health score of 53/100, but none of the options score above 80.
- •⚠ fat_type, erasable, ptr-union have not been updated in over a year.
- •fat_type is pre-1.0 — API may change.