Decision Workspace
chained_iter vs smallvec vs stackvector
Side-by-side comparison of Rust crates
30
chained_iter
growingv0.1.2
Provides a small helper macro for creating iterators out of values without allocation.
74
smallvec
stablev1.15.2
'Small vector' optimization: store up to a small number of items on the stack
62
stackvector
stablev2.0.0
StackVec: vector-like facade for stack-allocated arrays.
Core Metrics
| chained_iter | smallvec | stackvector | |
|---|---|---|---|
| Health Score | 30 | 74 | 62 |
| Total Downloads | 3.9K | 970.5M | 405.6K |
| 30d Downloads | 0 | 45.7M | 2.8K |
| Dependents | 0 | 63.8K | 18 |
| Releases | 3 | 77 | 14 |
| Last Updated | 2248d ago | 32d ago | 12d ago |
| Age | 6y 1m | 11y 3m | 7y 7m |
Health Breakdown
chained_iter
Maintenance
3
Quality
11
Community
3
Popularity
4
Documentation
9
smallvec
Maintenance
18
Quality
17
Community
19
Popularity
8
Documentation
12
stackvector
Maintenance
15
Quality
17
Community
8
Popularity
7
Documentation
15
Technical Details
| chained_iter | smallvec | stackvector | |
|---|---|---|---|
| Version | 0.1.2 | 1.15.2 | 2.0.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT/Apache-2.0 |
| Dependencies | 0 | 8 | 0 |
| Crate Size | 3KB | 35KB | 18KB |
| Features | 1 | 10 | 3 |
| Yanked % | 100.0% | 26.0% | 64.3% |
| Edition | 2018 | 2018 | 2021 |
| MSRV | — | — | 1.60.0 |
| Owners | 1 | 3 (team) | 1 |
Links
Quick Verdict
- •smallvec leads with a health score of 74/100, but none of the options score above 80.
- •smallvec is depended on by 63.8K crates — strongest ecosystem trust.
- •⚠ chained_iter has not been updated in over a year.
- •chained_iter is pre-1.0 — API may change.