Decision Workspace
assert_that vs predicates vs predicates-core
Side-by-side comparison of Rust crates
43
assert_that
growingv0.1.2
Helper macros for use with boolean-valued predicate functions.
75
predicates
stablev3.1.4
An implementation of boolean-valued predicate functions.
65
predicates-core
stablev1.0.10
An API for boolean-valued predicate functions.
Core Metrics
| assert_that | predicates | predicates-core | |
|---|---|---|---|
| Health Score | 43 | 75 | 65 |
| Total Downloads | 7.3K | 173.7M | 153.1M |
| 30d Downloads | 0 | 14.8M | 11.6M |
| Dependents | 2 | 30.8K | 200 |
| Releases | 3 | 37 | 12 |
| Last Updated | 2164d ago | 103d ago | 103d ago |
| Age | 5y 11m | 8y 11m | 7y 10m |
Health Breakdown
assert_that
Maintenance
4
Quality
15
Community
7
Popularity
5
Documentation
12
predicates
Maintenance
14
Quality
21
Community
17
Popularity
8
Documentation
15
predicates-core
Maintenance
12
Quality
21
Community
12
Popularity
8
Documentation
12
Technical Details
| assert_that | predicates | predicates-core | |
|---|---|---|---|
| Version | 0.1.2 | 3.1.4 | 1.0.10 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 3 | 7 | 0 |
| Crate Size | 4KB | 24KB | 9KB |
| Features | 0 | 4 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | 2021 | 2021 |
| MSRV | — | 1.74 | 1.74 |
| Owners | 1 | 2 | 1 |
Links
Quick Verdict
- •predicates leads with a health score of 75/100, but none of the options score above 80.
- •predicates is depended on by 30.8K crates — strongest ecosystem trust.
- •⚠ assert_that has not been updated in over a year.
- •assert_that is pre-1.0 — API may change.