Decision Workspace
syn vs quote vs proc-macro2
Side-by-side comparison of Rust crates
71
syn
stablev2.0.117
Parser for Rust source code
72
quote
stablev1.0.45
Quasi-quoting macro quote!(...)
69
proc-macro2
stablev1.0.106
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 | 71 | 72 | 69 |
| Total Downloads | 1.7B | 1.2B | 1.2B |
| 30d Downloads | 119.6M | 86.7M | 84.1M |
| Dependents | 139.7K | 138.5K | 122.6K |
| Releases | 350 | 93 | 162 |
| Last Updated | 95d ago | 83d ago | 124d ago |
| Age | 9y 8m | 9y 8m | 8y 10m |
Health Breakdown
syn
Maintenance
14
Quality
20
Community
14
Popularity
8
Documentation
15
quote
Maintenance
14
Quality
22
Community
13
Popularity
8
Documentation
15
proc-macro2
Maintenance
13
Quality
20
Community
13
Popularity
8
Documentation
15
Technical Details
| syn | quote | proc-macro2 | |
|---|---|---|---|
| Version | 2.0.117 | 1.0.45 | 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 % | 4.9% | 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 72/100, but none of the options score above 80.
- •syn has the most downloads (1.7B), suggesting wider adoption.
- •syn is depended on by 139.7K crates — strongest ecosystem trust.