Decision Workspace
exprtk_rs vs meval vs formulac
Side-by-side comparison of Rust crates
35
exprtk_rs
growingv0.1.0
Rust bindings to the ExprTk C++ library (http://www.partow.net/programming/exprtk)
43
meval
growingv0.2.0
A simple math expression parser and evaluator.
42
formulac
experimentalv0.8.0
A complex-number and extensible function supported math expression parser for Rust
Core Metrics
| exprtk_rs | meval | formulac | |
|---|---|---|---|
| Health Score | 35 | 43 | 42 |
| Total Downloads | 14.8K | 1.4M | 2.4K |
| 30d Downloads | 0 | 22.6K | 0 |
| Dependents | 0 | 611 | 0 |
| Releases | 8 | 10 | 12 |
| Last Updated | 1978d ago | 2844d ago | 91d ago |
| Age | 8y 6m | 10y | 11m |
Health Breakdown
exprtk_rs
Maintenance
3
Quality
12
Community
3
Popularity
5
Documentation
12
meval
Maintenance
4
Quality
10
Community
11
Popularity
7
Documentation
11
formulac
Maintenance
15
Quality
7
Community
6
Popularity
4
Documentation
10
Technical Details
| exprtk_rs | meval | formulac | |
|---|---|---|---|
| Version | 0.1.0 | 0.2.0 | 0.8.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | Unlicense/MIT | MIT OR Apache-2.0 |
| Dependencies | 4 | 8 | 7 |
| Crate Size | 16KB | 21KB | 55KB |
| Features | 12 | 1 | 0 |
| Yanked % | 50.0% | 10.0% | 33.3% |
| Edition | 2018 | — | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •meval leads with a health score of 43/100, but none of the options score above 80.
- •meval is depended on by 611 crates — strongest ecosystem trust.
- •⚠ exprtk_rs, meval have not been updated in over a year.