Decision Workspace
equation vs fasteval2 vs fasteval
Side-by-side comparison of Rust crates
48
equation
growingv1.0.0
A Rust library for mathematical expression evaluation and simplification
55
fasteval2
growingv2.1.1
Fast evaluation of algebraic expressions
51
fasteval
growingv0.2.4
Fast evaluation of algebraic expressions
Core Metrics
| equation | fasteval2 | fasteval | |
|---|---|---|---|
| Health Score | 48 | 55 | 51 |
| Total Downloads | 7.3K | 29.1K | 184.8K |
| 30d Downloads | 9 | 250 | 11.1K |
| Dependents | 0 | 48 | 197 |
| Releases | 6 | 9 | 10 |
| Last Updated | 920d ago | 1169d ago | 2253d ago |
| Age | 2y 6m | 3y 10m | 6y 3m |
Health Breakdown
equation
Maintenance
7
Quality
20
Community
3
Popularity
5
Documentation
13
fasteval2
Maintenance
4
Quality
22
Community
11
Popularity
5
Documentation
13
fasteval
Maintenance
4
Quality
17
Community
12
Popularity
6
Documentation
12
Technical Details
| equation | fasteval2 | fasteval | |
|---|---|---|---|
| Version | 1.0.0 | 2.1.1 | 0.2.4 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 2 | 0 | 0 |
| Crate Size | 10KB | 268KB | 268KB |
| Features | 0 | 4 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2018 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •fasteval2 leads with a health score of 55/100, but none of the options score above 80.
- •fasteval has the most downloads (184.8K), suggesting wider adoption.
- •fasteval is depended on by 197 crates — strongest ecosystem trust.
- •⚠ equation, fasteval2, fasteval have not been updated in over a year.
- •fasteval is pre-1.0 — API may change.