Crate features / phf
Feature flags · phf 0.14.0 · from crates.io 2026-10-24
phf features: what each one does, and the line to copy
Short answerphf 0.14.0 has 5 features. By default it turns on std; add default-features = false to start from nothing. It needs Rust 1.85 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
macros | phf_macros | |
ptrhash | phf_macros?/ptrhash, phf_shared/ptrhash | |
std | yes | phf_shared/std, serde?/std |
uncased | phf_macros?/uncased, phf_shared/uncased | |
unicase | phf_macros?/unicase, phf_shared/unicase |
dep:x turns on the optional dependency x; x/y turns on feature y of dependency x (with ?, only if x is already on).
MSRV history
The minimum Rust version phf declares (rust-version), and the release that changed it:
- 0.11.0 (2022-07-15): Rust 1.60
- 0.11.3 (2025-01-06): Rust 1.61
- 0.13.1 (2025-08-23): Rust 1.66
- 0.14.0 (2026-06-21): Rust 1.85
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p phf --precise <version>, or use resolver 3, which picks compatible versions for you.
More on phf
Real downloads, dependents and alternatives: phf crate data (2.2M real downloads a day, 1,219 dependents).
docs.rs feature list · crates.io · license MIT · edition 2024
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