Decision Workspace
dynarg vs dfmt vs dyn-fmt
Side-by-side comparison of Rust crates
48
dynarg
growingv2.1.4
A simple mechanism for dynamic robust argument handling
56
dfmt
experimentalv0.4.1
A fully featured dynamic template drop in replacement for the format! macro.
52
dyn-fmt
growingv0.4.3
Provides dynamic string format.
Core Metrics
| dynarg | dfmt | dyn-fmt | |
|---|---|---|---|
| Health Score | 48 | 56 | 52 |
| Total Downloads | 18.3K | 630 | 842.7K |
| 30d Downloads | 0 | 0 | 30.6K |
| Dependents | 0 | 10 | 138 |
| Releases | 15 | 6 | 14 |
| Last Updated | 1266d ago | 161d ago | 673d ago |
| Age | 3y 7m | 6m | 6y 1m |
Health Breakdown
dynarg
Maintenance
6
Quality
21
Community
6
Popularity
5
Documentation
10
dfmt
Maintenance
12
Quality
17
Community
9
Popularity
3
Documentation
15
dyn-fmt
Maintenance
4
Quality
14
Community
12
Popularity
7
Documentation
15
Technical Details
| dynarg | dfmt | dyn-fmt | |
|---|---|---|---|
| Version | 2.1.4 | 0.4.1 | 0.4.3 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | LGPL-3.0-or-later | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 4 | 0 | 1 |
| Crate Size | 12KB | 21KB | 9KB |
| Features | 2 | 4 | 2 |
| Yanked % | 0.0% | 0.0% | 7.1% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | 1.81 | 1.71 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •dfmt leads with a health score of 56/100, but none of the options score above 80.
- •dyn-fmt has the most downloads (842.7K), suggesting wider adoption.
- •dyn-fmt is depended on by 138 crates — strongest ecosystem trust.
- •⚠ dynarg, dyn-fmt have not been updated in over a year.
- •dfmt, dyn-fmt are pre-1.0 — API may change.