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rowan

v0.16.1 Growing

Library for generic lossless syntax trees

MIT OR Apache-2.0 Edition 2021 MSRV 1.77.0

Quick Verdict

  • !Pre-1.0: API may have breaking changes
  • โœ“Massive adoption (1.7K crates depend on it)
  • โœ“Team maintained (4 owners)
  • โœ“Permissive license (MIT OR Apache-2.0)

Security

Checking security advisories...
Downloads
11.9M
Dependents
1.7K
Releases
78
Size
42KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

900.6K downloads in the last 30 days (30.0K/day), up 56% from the previous period.

๐Ÿ”—
Widely adopted

1.7K crates depend on rowan. Strong ecosystem adoption means battle-tested code and long-term stability.

๐Ÿ‘ค
Prolific maintainer

The primary maintainer publishes 78 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 7+ years old, rowan hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿ“
Compact crate

At 41KB, rowan is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include ra_ap_syntax, taplo, i-slint-compiler, lsp-async-stub, apollo-parser. When high-quality crates choose rowan, it's a strong quality signal.

Health Breakdown

Maintenance 10/25

Recency, release consistency, active ratio

Quality 14/25

Yanked ratio, deps, size, maturity, features

Community 15/20

Reverse deps, ownership, ecosystem

Popularity 8/15

Downloads, momentum, growth trend

Documentation 12/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
21K/day avg+103%
010K20K30K40K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.15.15
44%
v0.16.1
20%
v0.15.16
14%
v0.15.10
12%
v0.15.11
10%

Release Timeline

78 releases3 yankedsince 2018
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2018
4
2019
24
2020
3
2021
30
2022
8
2023
4
2024
3
2025
2
2026
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Yanked

Feature Flags

serde1

README

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Maintainers

Dependencies
6
direct dependencies
Dependents
1.7K
crates depend on rowan