Decision Workspace
comp-cat-rs vs higher vs higher-free-macro
Side-by-side comparison of Rust crates
59
comp-cat-rs
experimentalv0.5.1
Computational category theory in Rust: all constructions as Kan extensions
49
higher
growingv0.2.0
Functors, Applicatives, Monads and other bad ideas
43
higher-free-macro
growingv0.1.1
A macro that creates a (naive) Free Monad type based on a user-supplied Functor. It uses the traits from the "higher" crate. This macro is a port of the Control.Monad.Free part of the "free" Haskell package by Edward Kmett.
Core Metrics
| comp-cat-rs | higher | higher-free-macro | |
|---|---|---|---|
| Health Score | 59 | 49 | 43 |
| Total Downloads | 3.7K | 16.9K | 1.9K |
| 30d Downloads | 0 | 0 | 0 |
| Dependents | 203 | 12 | 0 |
| Releases | 8 | 3 | 2 |
| Last Updated | 105d ago | 1272d ago | 316d ago |
| Age | 3m | 7y 4m | 3y 3m |
Health Breakdown
comp-cat-rs
Maintenance
18
Quality
15
Community
12
Popularity
4
Documentation
10
higher
Maintenance
3
Quality
18
Community
8
Popularity
5
Documentation
15
higher-free-macro
Maintenance
6
Quality
15
Community
6
Popularity
4
Documentation
12
Technical Details
| comp-cat-rs | higher | higher-free-macro | |
|---|---|---|---|
| Version | 0.5.1 | 0.2.0 | 0.1.1 |
| Stable (≥1.0) | ✗ No | ✗ No | ✗ No |
| License | MIT | MPL-2.0+ | MPL-2.0+ |
| Dependencies | 0 | 2 | 1 |
| Crate Size | 23KB | 12KB | 29KB |
| Features | 0 | 5 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2024 | 2021 | 2021 |
| MSRV | — | 1.65 | 1.66.1 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •comp-cat-rs leads with a health score of 59/100, but none of the options score above 80.
- •higher has the most downloads (16.9K), suggesting wider adoption.
- •comp-cat-rs is depended on by 203 crates — strongest ecosystem trust.
- •⚠ higher has not been updated in over a year.