ena
v0.14.4 GrowingUnion-find, congruence closure, and other unification code. Based on code from rustc.
Quick Verdict
- ✓Actively maintained (updated 45d ago)
- !Pre-1.0: API may have breaking changes
- ✓Massive adoption (1.4K crates depend on it)
- ✓Team maintained (4 owners)
- ✓Tiny footprint (23KB, 2 deps)
Security
Deep Insights
3.8M downloads in the last 30 days (126.3K/day), up 14% from the previous period.
1.4K crates depend on ena. Strong ecosystem adoption means battle-tested code and long-term stability.
The primary maintainer publishes 71 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.
Despite being 9+ years old, ena hasn't reached 1.0 yet. Expect potential API changes between versions.
Only 2 direct dependencies. Lean dependency tree means faster builds and lower supply chain risk.
At 23KB, ena is lightweight. Small crate size correlates with focused, well-scoped functionality.
Notable dependents include lalrpop, parry3d-f64, chalk-solve, rustc-ap-rustc_data_structures, parry3d. When high-quality crates choose ena, 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
