Decision Workspace
baa vs evalexpr vs ndarray
Side-by-side comparison of Rust crates
53
baa
growingv0.17.1
BitVector and Array Arithmetic
71
evalexpr
stablev13.1.0
A powerful arithmetic and boolean expression evaluator
70
ndarray
growingv0.17.2
An n-dimensional array for general elements and for numerics. Lightweight array views and slicing; views support chunking and splitting.
Core Metrics
| baa | evalexpr | ndarray | |
|---|---|---|---|
| Health Score | 53 | 71 | 70 |
| Total Downloads | 69.6K | 6.8M | 76.6M |
| 30d Downloads | 2.1K | 356.3K | 7.2M |
| Dependents | 21 | 743 | 20.7K |
| Releases | 53 | 64 | 93 |
| Last Updated | 213d ago | 121d ago | 76d ago |
| Age | 1y 10m | 7y | 10y 3m |
Health Breakdown
baa
Maintenance
11
Quality
17
Community
7
Popularity
6
Documentation
12
evalexpr
Maintenance
13
Quality
21
Community
14
Popularity
8
Documentation
15
ndarray
Maintenance
15
Quality
13
Community
19
Popularity
8
Documentation
15
Technical Details
| baa | evalexpr | ndarray | |
|---|---|---|---|
| Version | 0.17.1 | 13.1.0 | 0.17.2 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | BSD-3-Clause | AGPL-3.0-only | MIT OR Apache-2.0 |
| Dependencies | 7 | 6 | 16 |
| Crate Size | 37KB | 78KB | 244KB |
| Features | 5 | 3 | 7 |
| Yanked % | 0.0% | 0.0% | 1.1% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | 1.85.0 | 1.65.0 | 1.64 |
| Owners | 1 | 1 | 3 |
Links
Quick Verdict
- •evalexpr leads with a health score of 71/100, but none of the options score above 80.
- •ndarray has the most downloads (76.6M), suggesting wider adoption.
- •ndarray is depended on by 20.7K crates — strongest ecosystem trust.
- •baa, ndarray are pre-1.0 — API may change.