Decision Workspace
parsley-rs vs flexar vs dlexer
Side-by-side comparison of Rust crates
43
parsley-rs
growingv0.20.4
My attempt at a Rust parsing and lexing library.
52
flexar
growingv1.2.6
An extremely flexible lexer/parser (get it?) for writing your own programming language
49
dlexer
experimentalv0.1.7
A high-performance, functional parser combinator library for Rust
Core Metrics
| parsley-rs | flexar | dlexer | |
|---|---|---|---|
| Health Score | 43 | 52 | 49 |
| Total Downloads | 45.1K | 40.6K | 2.9K |
| 30d Downloads | 44 | 87 | 10 |
| Dependents | 0 | 6 | 0 |
| Releases | 40 | 35 | 8 |
| Last Updated | 1332d ago | 829d ago | 239d ago |
| Age | 3y 9m | 2y 6m | 8m |
Health Breakdown
parsley-rs
Maintenance
7
Quality
17
Community
3
Popularity
6
Documentation
10
flexar
Maintenance
7
Quality
21
Community
8
Popularity
6
Documentation
10
dlexer
Maintenance
10
Quality
16
Community
6
Popularity
4
Documentation
13
Technical Details
| parsley-rs | flexar | dlexer | |
|---|---|---|---|
| Version | 0.20.4 | 1.2.6 | 0.1.7 |
| Stable (≥1.0) | ✗ No | ✓ Yes | ✗ No |
| License | MIT | MIT OR Apache-2.0 | MIT |
| Dependencies | 5 | 0 | 0 |
| Crate Size | 14KB | 20KB | 28KB |
| Features | 5 | 0 | 1 |
| Yanked % | 0.0% | 0.0% | 0.0% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | — | — | — |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •flexar leads with a health score of 52/100, but none of the options score above 80.
- •parsley-rs has the most downloads (45.1K), suggesting wider adoption.
- •⚠ parsley-rs, flexar have not been updated in over a year.
- •parsley-rs, dlexer are pre-1.0 — API may change.