Decision Workspace
rustyard vs abaco vs fasteval2
Side-by-side comparison of Rust crates
36
rustyard
growingv0.6.0
A Shunting Yard implementation and calculator. This crate is able to calculate basic math expressions passed to it as strings and return a 64-bit floating point return value.
56
abaco
experimentalv1.1.0
Math engine — expression evaluation, unit conversion, and numeric types for Rust
55
fasteval2
growingv2.1.1
Fast evaluation of algebraic expressions
Core Metrics
| rustyard | abaco | fasteval2 | |
|---|---|---|---|
| Health Score | 36 | 56 | 55 |
| Total Downloads | 22.4K | 195 | 29.1K |
| 30d Downloads | 23 | 207 | 250 |
| Dependents | 1 | 4 | 48 |
| Releases | 5 | 4 | 9 |
| Last Updated | 3652d ago | today | 1169d ago |
| Age | 10y 1m | 5d | 3y 10m |
Health Breakdown
rustyard
Maintenance
3
Quality
16
Community
4
Popularity
5
Documentation
8
abaco
Maintenance
14
Quality
16
Community
8
Popularity
3
Documentation
15
fasteval2
Maintenance
4
Quality
22
Community
11
Popularity
5
Documentation
13
Technical Details
| rustyard | abaco | fasteval2 | |
|---|---|---|---|
| Version | 0.6.0 | 1.1.0 | 2.1.1 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | AGPL-3.0-only | MIT |
| Dependencies | 0 | 8 | 0 |
| Crate Size | 8KB | 64KB | 268KB |
| Features | 0 | 3 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | — | 2024 | 2021 |
| MSRV | — | 1.89 | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •abaco leads with a health score of 56/100, but none of the options score above 80.
- •fasteval2 has the most downloads (29.1K), suggesting wider adoption.
- •⚠ rustyard, fasteval2 have not been updated in over a year.
- •rustyard is pre-1.0 — API may change.