Decision Workspace
syn vs quote vs proc-macro2
Side-by-side comparison of Rust crates
74
syn
stablev2.0.117
Parser for Rust source code
75
quote
stablev1.0.45
Quasi-quoting macro quote!(...)
71
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 | 74 | 75 | 71 |
| Total Downloads | 1.5B | 1.0B | 1.0B |
| 30d Downloads | 95.2M | 67.1M | 64.9M |
| Dependents | 126.3K | 124.7K | 109.8K |
| Releases | 350 | 93 | 162 |
| Last Updated | 36d ago | 24d ago | 65d ago |
| Age | 9y 6m | 9y 6m | 8y 8m |
Health Breakdown
syn
Maintenance
17
Quality
20
Community
14
Popularity
8
Documentation
15
quote
Maintenance
17
Quality
22
Community
13
Popularity
8
Documentation
15
proc-macro2
Maintenance
15
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 75/100, but none of the options score above 80.
- •syn has the most downloads (1.5B), suggesting wider adoption.
- •syn is depended on by 126.3K crates — strongest ecosystem trust.