Decision Workspace
flanker-temp vs async-fs vs memmap2
Side-by-side comparison of Rust crates
41
flanker-temp
growingv0.5.0
Helper for working with temporary files.
69
async-fs
growingv2.2.0
Async filesystem primitives
66
memmap2
growingv0.9.10
Cross-platform Rust API for memory-mapped file IO
Core Metrics
| flanker-temp | async-fs | memmap2 | |
|---|---|---|---|
| Health Score | 41 | 69 | 66 |
| Total Downloads | 9.0K | 37.1M | 212.7M |
| 30d Downloads | 55 | 2.5M | 15.4M |
| Dependents | 11 | 1.0K | 14.4K |
| Releases | 6 | 18 | 35 |
| Last Updated | 1239d ago | 194d ago | 40d ago |
| Age | 3y 5m | 6y 10m | 6y 2m |
Health Breakdown
flanker-temp
Maintenance
5
Quality
15
Community
6
Popularity
5
Documentation
10
async-fs
Maintenance
8
Quality
19
Community
19
Popularity
8
Documentation
15
memmap2
Maintenance
16
Quality
11
Community
16
Popularity
8
Documentation
15
Technical Details
| flanker-temp | async-fs | memmap2 | |
|---|---|---|---|
| Version | 0.5.0 | 2.2.0 | 0.9.10 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | Apache-2.0 OR MIT | MIT OR Apache-2.0 |
| Dependencies | 3 | 5 | 4 |
| Crate Size | 2KB | 19KB | 35KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 5.7% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.71 | 1.63 |
| Owners | 1 | 1 (team) | 4 |
Links
Quick Verdict
- •async-fs leads with a health score of 69/100, but none of the options score above 80.
- •memmap2 has the most downloads (212.7M), suggesting wider adoption.
- •memmap2 is depended on by 14.4K crates — strongest ecosystem trust.
- •⚠ flanker-temp has not been updated in over a year.
- •flanker-temp, memmap2 are pre-1.0 — API may change.