Crate features / bitflags
Feature flags · bitflags 2.13.2 · from crates.io 2026-10-24
bitflags features: what each one does, and the line to copy
Short answerbitflags 2.13.2 has 3 features. Nothing is on by default: turn on what you use. It needs Rust 1.56.0 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
example_generated | nothing else (a switch the code checks) | |
serde | serde_core | |
std | nothing else (a switch the code checks) |
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 bitflags declares (rust-version), and the release that changed it:
- 2.0.0 (2023-03-13): Rust 1.56.0
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p bitflags --precise <version>, or use resolver 3, which picks compatible versions for you.
More on bitflags
Real downloads, dependents and alternatives: bitflags crate data (5.8M real downloads a day, 5,303 dependents).
docs.rs feature list · crates.io · license MIT OR Apache-2.0 · edition 2021
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