proc-macro-crate
v3.5.0 StableReplacement for crate (macro_rules keyword) in proc-macros
Quick Verdict
- ✓Stable API (3.x for 7+ years)
- ✓Massive adoption (6.8K crates depend on it)
- ✓Permissive license (MIT OR Apache-2.0)
Security
Deep Insights
34.0M downloads in the last 30 days (1.1M/day). Volume is roughly flat compared to the previous period.
6.8K crates depend on proc-macro-crate. Strong ecosystem adoption means battle-tested code and long-term stability.
proc-macro-crate has only 1 owner despite 6.8K dependents. This is a bus-factor concern — consider the implications for long-term support.
The API has been stable (1.x) for over 7 years with 24 releases. This level of maturity means you can depend on it without worrying about breaking changes.
At 12KB, proc-macro-crate is lightweight. Small crate size correlates with focused, well-scoped functionality.
13% of releases have been yanked. Check version history before pinning.
Notable dependents include num_enum_derive, borsh-derive, rstest_macros, zvariant_derive, zbus_macros. When high-quality crates choose proc-macro-crate, 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 proc-macro-crate