Crate features / constant_time_eq
Feature flags · constant_time_eq 0.6.1 · from crates.io 2026-10-24
constant_time_eq features: what each one does, and the line to copy
Short answerconstant_time_eq 0.6.1 has 1 feature. By default it turns on std; add default-features = false to start from nothing. It needs Rust 1.66.0 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
std | yes | 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 constant_time_eq declares (rust-version), and the release that changed it:
- 0.2.2 (2022-04-24): Rust 1.59
- 0.3.0 (2023-06-17): Rust 1.66.0
- 0.4.0 (2025-02-22): Rust 1.85.0
- 0.5.0 (2026-04-20): Rust 1.95.0
- 0.6.0 (2026-08-30): Rust 1.66.0
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p constant_time_eq --precise <version>, or use resolver 3, which picks compatible versions for you.
More on constant_time_eq
docs.rs feature list · crates.io · license CC0-1.0 OR MIT-0 OR Apache-2.0 · edition 2021
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