Decision Workspace
mrwei vs promisery vs promises
Side-by-side comparison of Rust crates
37
mrwei
growingv0.1.0
A simple library that implements the common promise primitive for rust based on std future.
57
promisery
growingv2.0.1
A JavaScript-inspired, ergonomic, and composable Promise type for Rust, supporting background work, chaining, and error handling with Result.
34
promises
growingv0.2.0
Effective, simple, lightweight Javascript promises in Rust
Core Metrics
| mrwei | promisery | promises | |
|---|---|---|---|
| Health Score | 37 | 57 | 34 |
| Total Downloads | 1.7K | 2.1K | 4.5K |
| 30d Downloads | 3 | 25 | 5 |
| Dependents | 0 | 1 | 0 |
| Releases | 1 | 5 | 2 |
| Last Updated | 1906d ago | 266d ago | 3651d ago |
| Age | 5y 2m | 8m | 10y |
Health Breakdown
mrwei
Maintenance
1
Quality
15
Community
5
Popularity
4
Documentation
12
promisery
Maintenance
15
Quality
18
Community
7
Popularity
4
Documentation
13
promises
Maintenance
3
Quality
16
Community
3
Popularity
4
Documentation
8
Technical Details
| mrwei | promisery | promises | |
|---|---|---|---|
| Version | 0.1.0 | 2.0.1 | 0.2.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 1 | 2 | 0 |
| Crate Size | 7KB | 9KB | 5KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | — |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •promisery leads with a health score of 57/100, but none of the options score above 80.
- •promises has the most downloads (4.5K), suggesting wider adoption.
- •⚠ mrwei, promises have not been updated in over a year.
- •mrwei, promises are pre-1.0 — API may change.