Decision Workspace
expr_parser vs rcalc vs oak-rust
Side-by-side comparison of Rust crates
32
expr_parser
growingv0.0.1
A lexer and parser of simple arithmetic expressions.
37
rcalc
growingv0.1.2
Glorified calculator with a lexer, parser, and interpreter written in Rust.
54
oak-rust
experimentalv0.0.10
High-performance incremental Rust parser for the oak ecosystem with flexible configuration, emphasizing memory safety and zero-cost abstractions.
Core Metrics
| expr_parser | rcalc | oak-rust | |
|---|---|---|---|
| Health Score | 32 | 37 | 54 |
| Total Downloads | 1.9K | 7.9K | 371 |
| 30d Downloads | 3 | 50 | 67 |
| Dependents | 0 | 0 | 0 |
| Releases | 1 | 3 | 10 |
| Last Updated | 2527d ago | 3013d ago | 3d ago |
| Age | 6y 11m | 8y 3m | 5m |
Health Breakdown
expr_parser
Maintenance
1
Quality
15
Community
3
Popularity
4
Documentation
9
rcalc
Maintenance
3
Quality
15
Community
6
Popularity
5
Documentation
8
oak-rust
Maintenance
19
Quality
14
Community
5
Popularity
3
Documentation
13
Technical Details
| expr_parser | rcalc | oak-rust | |
|---|---|---|---|
| Version | 0.0.1 | 0.1.2 | 0.0.10 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MIT | MPL-2.0 |
| Dependencies | 1 | 1 | 15 |
| Crate Size | 10KB | 10KB | 75KB |
| Features | 0 | 0 | 4 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2018 | — | 2024 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •oak-rust leads with a health score of 54/100, but none of the options score above 80.
- •rcalc has the most downloads (7.9K), suggesting wider adoption.
- •⚠ expr_parser, rcalc have not been updated in over a year.