Decision Workspace
fmerge vs assert_cmd vs clap_derive
Side-by-side comparison of Rust crates
34
fmerge
growingv0.2.2
Merging files recursively.
80
assert_cmd
stablev2.2.0
Test CLI Applications.
79
clap_derive
stablev4.6.0
Parse command line argument by defining a struct, derive crate.
Core Metrics
| fmerge | assert_cmd | clap_derive | |
|---|---|---|---|
| Health Score | 34 | 80 | 79 |
| Total Downloads | 10.8K | 55.8M | 445.8M |
| 30d Downloads | 12 | 4.1M | 35.1M |
| Dependents | 0 | 32.2K | 3.1K |
| Releases | 10 | 48 | 89 |
| Last Updated | 500d ago | 17d ago | 15d ago |
| Age | 2y 11m | 7y 10m | 5y 10m |
Health Breakdown
fmerge
Maintenance
7
Quality
9
Community
4
Popularity
5
Documentation
9
assert_cmd
Maintenance
18
Quality
20
Community
19
Popularity
8
Documentation
15
clap_derive
Maintenance
18
Quality
21
Community
20
Popularity
8
Documentation
12
Technical Details
| fmerge | assert_cmd | clap_derive | |
|---|---|---|---|
| Version | 0.2.2 | 2.2.0 | 4.6.0 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 10 | 10 | 6 |
| Crate Size | 23KB | 28KB | 33KB |
| Features | 1 | 2 | 6 |
| Yanked % | 20.0% | 0.0% | 1.1% |
| Edition | 2018 | 2024 | 2024 |
| MSRV | — | 1.85 | 1.85 |
| Owners | 1 | 2 (team) | 2 (team) |
Links
Quick Verdict
- •assert_cmd has the highest health score (80/100) — a strong overall choice.
- •clap_derive has the most downloads (445.8M), suggesting wider adoption.
- •assert_cmd is depended on by 32.2K crates — strongest ecosystem trust.
- •⚠ fmerge has not been updated in over a year.
- •fmerge is pre-1.0 — API may change.