Crate features / which
Feature flags · which 8.0.6 · from crates.io 2026-10-24
which features: what each one does, and the line to copy
Short answerwhich 8.0.6 has 3 features. By default it turns on real-sys; add default-features = false to start from nothing. It needs Rust 1.70 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
real-sys | yes | dep:libc |
regex | dep:regex | |
tracing | dep:tracing |
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 which declares (rust-version), and the release that changed it:
- 4.4.2 (2023-09-04): Rust 1.63
- 6.0.0 (2024-01-18): Rust 1.70
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p which --precise <version>, or use resolver 3, which picks compatible versions for you.
More on which
Real downloads, dependents and alternatives: which crate data (817.7K real downloads a day, 2,276 dependents).
docs.rs feature list · crates.io · license MIT · edition 2021
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