Decision Workspace
prettyless vs pretty vs lambda_calculus
Side-by-side comparison of Rust crates
46
prettyless
growingv0.3.0
Wadler-style pretty-printing combinators in Rust with more features.
50
pretty
growingv0.12.5
Wadler-style pretty-printing combinators in Rust
68
lambda_calculus
stablev3.5.0
A simple, zero-dependency implementation of pure lambda calculus in Safe Rust
Core Metrics
| prettyless | pretty | lambda_calculus | |
|---|---|---|---|
| Health Score | 46 | 50 | 68 |
| Total Downloads | 67.5K | 18.4M | 67.4K |
| 30d Downloads | 5.4K | 763.3K | 0 |
| Dependents | 10 | 1.4K | 28 |
| Releases | 2 | 33 | 43 |
| Last Updated | 361d ago | 290d ago | 13d ago |
| Age | 1y | 11y 7m | 9y 3m |
Health Breakdown
prettyless
Maintenance
6
Quality
16
Community
5
Popularity
6
Documentation
13
pretty
Maintenance
6
Quality
12
Community
12
Popularity
8
Documentation
12
lambda_calculus
Maintenance
17
Quality
23
Community
7
Popularity
6
Documentation
15
Technical Details
| prettyless | pretty | lambda_calculus | |
|---|---|---|---|
| Version | 0.3.0 | 0.12.5 | 3.5.0 |
| Stable (≥1.0) | ✗ No | ✗ No | ✓ Yes |
| License | MIT | MIT | CC0-1.0 |
| Dependencies | 7 | 8 | 0 |
| Crate Size | 33KB | 30KB | 41KB |
| Features | 3 | 0 | 3 |
| Yanked % | 0.0% | 3.0% | 0.0% |
| Edition | 2021 | 2018 | 2024 |
| MSRV | — | — | 1.88 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •lambda_calculus leads with a health score of 68/100, but none of the options score above 80.
- •pretty has the most downloads (18.4M), suggesting wider adoption.
- •pretty is depended on by 1.4K crates — strongest ecosystem trust.
- •prettyless, pretty are pre-1.0 — API may change.