Decision Workspace
assert-panic vs better-assert vs alloc-fmt
Side-by-side comparison of Rust crates
50
assert-panic
growingv1.0.1
Assert that a panic happens, and optionally what (kind of) panic happens
56
better-assert
experimentalv0.4.1
Assertion helpers with built-in logging powered by better-logger
42
alloc-fmt
growingv0.2.0
Formatting utilities safe for use in an allocator.
Core Metrics
| assert-panic | better-assert | alloc-fmt | |
|---|---|---|---|
| Health Score | 50 | 56 | 42 |
| Total Downloads | 151.2K | 1.1K | 5.0K |
| 30d Downloads | 7.7K | 5 | 23 |
| Dependents | 62 | 0 | 2 |
| Releases | 4 | 3 | 2 |
| Last Updated | 2116d ago | 79d ago | 2184d ago |
| Age | 5y 10m | 10m | 8y 5m |
Health Breakdown
assert-panic
Maintenance
3
Quality
20
Community
9
Popularity
6
Documentation
12
better-assert
Maintenance
15
Quality
16
Community
6
Popularity
4
Documentation
15
alloc-fmt
Maintenance
3
Quality
17
Community
7
Popularity
4
Documentation
11
Technical Details
| assert-panic | better-assert | alloc-fmt | |
|---|---|---|---|
| Version | 1.0.1 | 0.4.1 | 0.2.0 |
| Stable (≥1.0) | ✓ Yes | ✗ No | ✗ No |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | Apache-2.0/MIT |
| Dependencies | 1 | 1 | 3 |
| Crate Size | 8KB | 17KB | 7KB |
| Features | 0 | 2 | 2 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2024 | — |
| MSRV | — | 1.85.1 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •better-assert leads with a health score of 56/100, but none of the options score above 80.
- •assert-panic has the most downloads (151.2K), suggesting wider adoption.
- •⚠ assert-panic, alloc-fmt have not been updated in over a year.
- •better-assert, alloc-fmt are pre-1.0 — API may change.