Decision Workspace
gullwing vs dyf vs comma
Side-by-side comparison of Rust crates
45
gullwing
growingv1.0.0-rc.1
Runtime formatting and parsing with Python's Format Specification Mini-Language
56
dyf
growingv0.2.2
Dynamic string formatting library for Rust supporting all standard format specifiers
55
comma
growingv1.0.0
Shell-style command parser with support for escaping and quotations.
Core Metrics
| gullwing | dyf | comma | |
|---|---|---|---|
| Health Score | 45 | 56 | 55 |
| Total Downloads | 25 | 14.5K | 3.6M |
| 30d Downloads | 0 | 1.3K | 151.4K |
| Dependents | 0 | 16 | 105 |
| Releases | 1 | 8 | 4 |
| Last Updated | 194d ago | 46d ago | 1785d ago |
| Age | 6m | 1y | 6y 11m |
Health Breakdown
gullwing
Maintenance
5
Quality
17
Community
6
Popularity
2
Documentation
15
dyf
Maintenance
16
Quality
14
Community
6
Popularity
5
Documentation
15
comma
Maintenance
3
Quality
21
Community
14
Popularity
8
Documentation
9
Technical Details
| gullwing | dyf | comma | |
|---|---|---|---|
| Version | 1.0.0-rc.1 | 0.2.2 | 1.0.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✓ Yes |
| License | Apache-2.0 | GPL-3.0 OR BSD-2-Clause | MIT |
| Dependencies | 6 | 6 | 0 |
| Crate Size | 57KB | 31KB | 2KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2018 |
| MSRV | 1.70 | 1.89.0 | — |
| Owners | 1 | 1 | 2 |
Links
Quick Verdict
- •dyf leads with a health score of 56/100, but none of the options score above 80.
- •comma has the most downloads (3.6M), suggesting wider adoption.
- •comma is depended on by 105 crates — strongest ecosystem trust.
- •⚠ comma has not been updated in over a year.
- •dyf is pre-1.0 — API may change.