Decision Workspace
C4lc vs pupil vs rustyard
Side-by-side comparison of Rust crates
48
C4lc
growingv1.0.0
A crate to help you perform mathematical calculations, including addition, subtraction, multiplication and division, others included
48
pupil
growingv1.0.0
Arithmetic expression evaluator.
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.
Core Metrics
| C4lc | pupil | rustyard | |
|---|---|---|---|
| Health Score | 48 | 48 | 36 |
| Total Downloads | 2.1K | 7.6K | 22.4K |
| 30d Downloads | 4 | 10 | 23 |
| Dependents | 0 | 0 | 1 |
| Releases | 2 | 6 | 5 |
| Last Updated | 213d ago | 84d ago | 3652d ago |
| Age | 2y | 9y 11m | 10y 1m |
Health Breakdown
C4lc
Maintenance
8
Quality
19
Community
6
Popularity
4
Documentation
11
pupil
Maintenance
10
Quality
17
Community
3
Popularity
5
Documentation
13
rustyard
Maintenance
3
Quality
16
Community
4
Popularity
5
Documentation
8
Technical Details
| C4lc | pupil | rustyard | |
|---|---|---|---|
| Version | 1.0.0 | 1.0.0 | 0.6.0 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | non-standard | MIT | MIT |
| Dependencies | 0 | 2 | 0 |
| Crate Size | 2KB | 13KB | 8KB |
| Features | 0 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | — |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •C4lc leads with a health score of 48/100, but none of the options score above 80.
- •rustyard has the most downloads (22.4K), suggesting wider adoption.
- •⚠ rustyard has not been updated in over a year.
- •rustyard is pre-1.0 — API may change.