Decision Workspace
syn vs quote vs proc-macro2
Side-by-side comparison of Rust crates
74
syn
stablev2.0.118
Parser for Rust source code
76
quote
stablev1.0.46
Quasi-quoting macro quote!(...)
67
proc-macro2
growingv1.0.106
A substitute implementation of the compiler's `proc_macro` API to decouple token-based libraries from the procedural macro use case.
Core Metrics
| syn | quote | proc-macro2 | |
|---|---|---|---|
| Health Score | 74 | 76 | 67 |
| Total Downloads | 1.9B | 1.3B | 1.3B |
| 30d Downloads | 85.2M | 64.5M | 58.9M |
| Dependents | 153.1K | 151.3K | 135.1K |
| Releases | 351 | 94 | 162 |
| Last Updated | 27d ago | 21d ago | 173d ago |
| Age | 9y 10m | 9y 10m | 9y |
Health Breakdown
syn
Maintenance
17
Quality
20
Community
14
Popularity
8
Documentation
15
quote
Maintenance
18
Quality
22
Community
13
Popularity
8
Documentation
15
proc-macro2
Maintenance
11
Quality
20
Community
13
Popularity
8
Documentation
15
Technical Details
| syn | quote | proc-macro2 | |
|---|---|---|---|
| Version | 2.0.118 | 1.0.46 | 1.0.106 |
| Stable (≥1.0) | ✓ Yes | ✓ Yes | ✓ Yes |
| License | MIT OR Apache-2.0 | MIT OR Apache-2.0 | MIT OR Apache-2.0 |
| Dependencies | 15 | 3 | 6 |
| Crate Size | 306KB | 32KB | 60KB |
| Features | 12 | 2 | 4 |
| Yanked % | 4.8% | 0.0% | 1.2% |
| Edition | 2021 | 2021 | 2021 |
| MSRV | 1.71 | 1.71 | 1.68 |
| Owners | 1 | 1 | 1 |
Links
Quick Verdict
- •quote leads with a health score of 76/100, but none of the options score above 80.
- •syn has the most downloads (1.9B), suggesting wider adoption.
- •syn is depended on by 153.1K crates — strongest ecosystem trust.