Decision Workspace
iter-enum vs num_enum vs auto_enums
Side-by-side comparison of Rust crates
67
iter-enum
stablev1.2.1
#[derive(Iterator, DoubleEndedIterator, ExactSizeIterator, Extend)] for enums.
67
num_enum
growingv0.7.6
Procedural macros to make inter-operation between primitives and enums easier.
66
auto_enums
growingv0.8.8
A library for to allow multiple return types by automatically generated enum.
Core Metrics
| iter-enum | num_enum | auto_enums | |
|---|---|---|---|
| Health Score | 67 | 67 | 66 |
| Total Downloads | 411.7K | 179.9M | 12.4M |
| 30d Downloads | 28.3K | 13.1M | 1.1M |
| Dependents | 126 | 11.5K | 241 |
| Releases | 14 | 33 | 57 |
| Last Updated | 28d ago | 12d ago | 28d ago |
| Age | 6y 4m | 7y 4m | 7y 3m |
Health Breakdown
iter-enum
Maintenance
15
Quality
21
Community
12
Popularity
7
Documentation
12
num_enum
Maintenance
18
Quality
15
Community
14
Popularity
8
Documentation
12
auto_enums
Maintenance
17
Quality
17
Community
12
Popularity
8
Documentation
12
Technical Details
| iter-enum | num_enum | auto_enums | |
|---|---|---|---|
| Version | 1.2.1 | 0.7.6 | 0.8.8 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | Apache-2.0 OR MIT | BSD-3-Clause OR MIT OR Apache-2.0 | Apache-2.0 OR MIT |
| Dependencies | 3 | 6 | 14 |
| Crate Size | 13KB | 22KB | 58KB |
| Features | 1 | 4 | 21 |
| Yanked % | 0.0% | 3.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.71 | 1.70.0 | 1.71 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •iter-enum leads with a health score of 67/100, but none of the options score above 80.
- •num_enum has the most downloads (179.9M), suggesting wider adoption.
- •num_enum is depended on by 11.5K crates — strongest ecosystem trust.
- •num_enum, auto_enums are pre-1.0 — API may change.