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aster

v0.41.0 Growing

A libsyntax ast builder

MIT/Apache-2.0

Quick Verdict

  • โœ•Not updated for 9+ years
  • !Pre-1.0: API may have breaking changes
  • โœ“Trusted by 240 crates
  • โœ“Team maintained (4 owners)
  • โœ“Tiny footprint (27KB, 3 deps)

Security

Checking security advisories...
Downloads
1.2M
Dependents
240
Releases
75
Size
27KB

Deep Insights

๐Ÿ“ˆ
Strong growth momentum

11.5K downloads in the last 30 days (384/day), up 57% from the previous period.

๐Ÿ”—
Moderate adoption

240 crates depend on aster. Reasonable ecosystem adoption, though not yet a core dependency.

๐Ÿ‘ฅ
Team maintained

This crate is maintained by a team (4 owners), reducing bus-factor risk and ensuring continuity.

๐Ÿ”ฌ
Pre-1.0 for over a year

Despite being 11+ years old, aster hasn't reached 1.0 yet. Expect potential API changes between versions.

๐Ÿชถ
Minimal dependencies

Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.

๐Ÿ“
Compact crate

At 26KB, aster is lightweight. Small crate size correlates with focused, well-scoped functionality.

๐ŸŒŸ
Used by top crates

Notable dependents include quasi_codegen, quasi_macros, parity-dapps-glue, libbindgen, nue-codegen. When high-quality crates choose aster, it's a strong quality signal.

Health Breakdown

Maintenance 8/25

Recency, release consistency, active ratio

Quality 17/25

Yanked ratio, deps, size, maturity, features

Community 12/20

Reverse deps, ownership, ecosystem

Popularity 7/15

Downloads, momentum, growth trend

Documentation 8/15

Docs, repo, license, metadata

Download Trend

Daily downloads ยท last 90 days
278/day avg+81%
05001K12/291/162/32/213/113/28

Top Dependents

Version Adoption

v0.41.0
43%
v0.22.1
18%
v0.38.0
15%
v0.27.0
13%
v0.17.0
11%

Release Timeline

75 releasessince 2015
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2015
34
2016
36
2017
5
2018
2019
2020
2021
2022
2023
2024
2025
2026
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Feature Flags

with-syntexunstable-testing

README

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Maintainers

Dependencies
3
direct dependencies
Dependents
240
crates depend on aster