Decision Workspace
r7rs-parser vs grift_parser vs flexar
Side-by-side comparison of Rust crates
38
r7rs-parser
growingv0.1.0
Simple Scheme R7RS parser & lexer
54
grift_parser
experimentalv1.4.0
Lisp parser for the Grift Scheme language
52
flexar
growingv1.2.6
An extremely flexible lexer/parser (get it?) for writing your own programming language
Core Metrics
| r7rs-parser | grift_parser | flexar | |
|---|---|---|---|
| Health Score | 38 | 54 | 52 |
| Total Downloads | 1.6K | 227 | 40.6K |
| 30d Downloads | 4 | 75 | 87 |
| Dependents | 0 | 24 | 6 |
| Releases | 1 | 6 | 35 |
| Last Updated | 1246d ago | 46d ago | 829d ago |
| Age | 3y 5m | 1m | 2y 6m |
Health Breakdown
r7rs-parser
Maintenance
1
Quality
17
Community
6
Popularity
4
Documentation
10
grift_parser
Maintenance
11
Quality
17
Community
10
Popularity
3
Documentation
13
flexar
Maintenance
7
Quality
21
Community
8
Popularity
6
Documentation
10
Technical Details
| r7rs-parser | grift_parser | flexar | |
|---|---|---|---|
| Version | 0.1.0 | 1.4.0 | 1.2.6 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✓ Yes |
| License | MIT | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 1 | 3 | 0 |
| Crate Size | 13KB | 20KB | 20KB |
| Features | 3 | 0 | 0 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2024 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •grift_parser leads with a health score of 54/100, but none of the options score above 80.
- •flexar has the most downloads (40.6K), suggesting wider adoption.
- •⚠ r7rs-parser, flexar have not been updated in over a year.
- •r7rs-parser is pre-1.0 — API may change.