phf

40.2M downloads in the last 30 days (1.3M/day), up 5% from the previous period.

20.7K crates depend on phf — it's part of the Rust ecosystem's core infrastructure. Removing it from your dependency tree would be extremely difficult.

The primary maintainer publishes 113 crates. This suggests deep Rust expertise and long-term commitment to the ecosystem.

Despite being 11+ years old, phf 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 27KB, phf is lightweight. Small crate size correlates with focused, well-scoped functionality.

Notable dependents include strum, raw-cpuid, chrono-tz, cssparser, selectors. When high-quality crates choose phf, it's a strong quality signal.