qualifier_attr
v0.2.2 GrowingProcedural macro attributes for adding "qualifiers" (pub, async, unsafe, const, extern "C", ...) to various items.
Quick Verdict
- ✕Not updated for 2+ years
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (1.4K crates depend on it)
- ✓Tiny footprint (15KB, 3 deps)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
337.9K downloads in the last 30 days (11.3K/day), up 17% from the previous period.
1.4K crates depend on qualifier_attr. Strong ecosystem adoption means battle-tested code and long-term stability.
The primary maintainer publishes 74 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Despite being 2+ years old, qualifier_attr hasn't reached 1.0 yet. Expect potential API changes between versions.
Only 3 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
At 15KB, qualifier_attr is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include solana-account, solana-instructions-sysvar, solana-runtime, solana-bpf-loader-program, solana-transaction-context. When high-quality crates choose qualifier_attr, it's a strong quality signal.
Health Breakdown
Recency, release consistency, active ratio
Yanked ratio, deps, size, maturity, features
Reverse deps, ownership, ecosystem
Downloads, momentum, growth trend
Docs, repo, license, metadata
Download Trend
Top Dependents
Most downloaded crates that depend on qualifier_attr
Version Adoption
Release Timeline
Feature Flags
default =["legacy_attrs"]
