syn
Cargov3.0.5Parser for Rust source code
Not recommended for new projects
No — syn should not be adopted for new projects. No license declared — you have no explicit right to use this code.
- ?Adoption: grade ?, Not reported by this registry.
No download data reported for this package yet.
- AMaintenance: grade A, Excellent.
Last published 5 days ago. 48 releases in the last 2 years.
- AWeight: grade A, Excellent.
Zero runtime dependencies.
- BSupply chain: grade B, Good.
This package has a single maintainer (bus factor of 1).
- FLicense: grade F, Failing.
No license declared — you have no explicit right to use this code.
Grades are computed deterministically from registry metadata collected by PackageGraph — downloads, dependents, publish dates, the resolved dependency tree, maintainer count, and declared licenses. No third-party scores are used.
Install cost
What you actually take on by adding syn to a project.
Runtime packages this one declares itself.
Distinct packages in the full runtime tree, deduplicated the way a package manager would.
Unpacked size of this package plus its entire runtime tree.
Longest resolved dependency chain below this package.
Compatibility
- Rust edition
- No constraint declared
syn vs the alternatives
Packages solving a similar problem in the cargo ecosystem, compared on the signals that drive an adoption decision.
| Package | Weekly downloads | Dependents | License | Last release |
|---|---|---|---|---|
| synthis page | 0 | 0 | — | 5 days ago |
| quote | 0 | 0 | — | 1 day ago |
| proc-macro2 | 0 | 0 | — | 1 day ago |
Release history
35 releases in the last two years, typically about 4 days apart.
| Version | Published | Size | License |
|---|---|---|---|
| 3.0.5latest | 5 days ago | — | MIT OR Apache-2.0 |
| 3.0.4 | 17 days ago | — | MIT OR Apache-2.0 |
| 3.0.3 | 1 month ago | — | MIT OR Apache-2.0 |
| 3.0.2 | 1 month ago | — | MIT OR Apache-2.0 |
| 3.0.1 | 1 month ago | — | MIT OR Apache-2.0 |
| 3.0.0 | 1 month ago | — | MIT OR Apache-2.0 |
| 2.0.119 | 1 month ago | — | MIT OR Apache-2.0 |
| 2.0.118 | 2 months ago | — | MIT OR Apache-2.0 |
| 2.0.117 | 6 months ago | — | MIT OR Apache-2.0 |
| 2.0.116 | 6 months ago | — | MIT OR Apache-2.0 |
| 2.0.115 | 7 months ago | — | MIT OR Apache-2.0 |
| 2.0.114 | 8 months ago | — | MIT OR Apache-2.0 |
| 2.0.113 | 8 months ago | — | MIT OR Apache-2.0 |
| 2.0.112 | 8 months ago | — | MIT OR Apache-2.0 |
| 2.0.111 | 9 months ago | — | MIT OR Apache-2.0 |
Overview
syn is an Cargo package that parser for Rust source code. The latest version is 3.0.5.
Who should use it
Teams working in the Cargo ecosystem who need parser for Rust source code and value a focused solution.
When not to use it
Consider an alternative if you need to or if a more actively-maintained option better fits your Cargo stack.
Pros
- Zero runtime dependencies — minimal footprint.
Cons
- No license detected — review usage terms before adopting.
Auto-generated from collected registry metadata. No external claims are inferred.
Maintainers
Frequently asked questions
Should I use syn?
No — syn should not be adopted for new projects. No license declared — you have no explicit right to use this code.
How do I install syn?
Run `cargo add syn` to add syn to your Cargo project.
What license is syn released under?
No license was detected in syn's metadata; review the repository before use.
Is syn still maintained?
The most recent release of syn (v3.0.5) was published 5 days ago.