Decision Workspace
merc_lts vs merc_ldd vs regex-automata
Side-by-side comparison of Rust crates
54
merc_lts
growingv2.0.0
Implements labelled transition systems for various I/O formats using a general LTS trait.
44
merc_ldd
experimentalv2.0.0
Implements algorithms and I/O for list decision diagrams.
69
regex-automata
growingv0.4.15
Automata construction and matching using regular expressions.
Core Metrics
| merc_lts | merc_ldd | regex-automata | |
|---|---|---|---|
| Health Score | 54 | 44 | 69 |
| Total Downloads | 465 | 154 | 1.0B |
| 30d Downloads | 0 | 0 | 42.9M |
| Dependents | 8 | 1 | 1.5K |
| Releases | 3 | 1 | 39 |
| Last Updated | 51d ago | 51d ago | 4d ago |
| Age | 6m | 1m | 7y 6m |
Health Breakdown
merc_lts
Maintenance
16
Quality
17
Community
8
Popularity
3
Documentation
10
merc_ldd
Maintenance
10
Quality
15
Community
6
Popularity
3
Documentation
10
regex-automata
Maintenance
18
Quality
14
Community
14
Popularity
8
Documentation
15
Technical Details
| merc_lts | merc_ldd | regex-automata | |
|---|---|---|---|
| Version | 2.0.0 | 2.0.0 | 0.4.15 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✗ No |
| License | BSL-1.0 | BSL-1.0 | MIT OR Apache-2.0 |
| Dependencies | 20 | 13 | 10 |
| Crate Size | 42KB | 31KB | 619KB |
| Features | 2 | 0 | 31 |
| Yanked % | 0.0% | 0.0% | 2.6% |
| Edition | 2024 | 2024 | 2021 |
| MSRV | 1.91.0 | 1.91.0 | 1.65 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •regex-automata leads with a health score of 69/100, but none of the options score above 80.
- •regex-automata is depended on by 1.5K crates — strongest ecosystem trust.
- •regex-automata is pre-1.0 — API may change.