Decision Workspace
exprkit vs mathexpr vs expr-solver-lib
Side-by-side comparison of Rust crates
44
exprkit
experimentalv0.1.0
A mathematical expression parser and evaluator library, inspired by the ExprTk C++ library
50
mathexpr
experimentalv0.1.1
A fast, safe mathematical expression parser and evaluator with bytecode compilation
48
expr-solver-lib
growingv1.2.0
Mathematical expression evaluator with bytecode compilation and configurable numeric precision (f64 or 128-bit Decimal)
Core Metrics
| exprkit | mathexpr | expr-solver-lib | |
|---|---|---|---|
| Health Score | 44 | 50 | 48 |
| Total Downloads | 17 | 501 | 1.4K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 0 | 2 | 7 |
| Releases | 1 | 2 | 7 |
| Last Updated | 64d ago | 142d ago | 216d ago |
| Age | 2m | 4m | 7m |
Health Breakdown
exprkit
Maintenance
9
Quality
16
Community
6
Popularity
1
Documentation
12
mathexpr
Maintenance
10
Quality
15
Community
7
Popularity
3
Documentation
15
expr-solver-lib
Maintenance
14
Quality
12
Community
8
Popularity
4
Documentation
10
Technical Details
| exprkit | mathexpr | expr-solver-lib | |
|---|---|---|---|
| Version | 0.1.0 | 0.1.1 | 1.2.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT | MIT |
| Dependencies | 1 | 6 | 8 |
| Crate Size | 80KB | 27KB | 37KB |
| Features | 2 | 2 | 4 |
| Yanked % | 0.0% | 0.0% | 71.4% |
| Edition | 2024 | 2021 | 2024 |
| MSRV | 1.85 | 1.70 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •mathexpr leads with a health score of 50/100, but none of the options score above 80.
- •expr-solver-lib has the most downloads (1.4K), suggesting wider adoption.
- •exprkit, mathexpr are pre-1.0 — API may change.