Crate features / icu_collections
Feature flags · icu_collections 2.4.0 · from crates.io 2026-10-24
icu_collections features: what each one does, and the line to copy
Short answericu_collections 2.4.0 has 3 features. Nothing is on by default: turn on what you use. It needs Rust 1.88 or newer.
Pick features
Every feature
| Feature | In default | Turns on |
|---|---|---|
alloc | serde?/alloc, zerovec/alloc | |
databake | dep:databake, zerovec/databake | |
serde | dep:serde, zerovec/serde, potential_utf/serde, alloc |
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 icu_collections declares (rust-version), and the release that changed it:
- 1.3.0 (2023-09-23): Rust 1.66
- 1.4.0 (2023-11-16): Rust 1.67
- 2.0.0-beta1 (2024-11-23): Rust 1.71.1
- 2.0.0-beta2 (2025-02-26): Rust 1.81
- 2.0.0 (2025-05-07): Rust 1.82
- 2.1.0 (2025-10-28): Rust 1.83
- 2.2.0 (2026-04-01): Rust 1.86
- 2.3.0 (2026-08-13): Rust 1.88
Stuck on an older compiler? Pin the last version that supports it, for example cargo update -p icu_collections --precise <version>, or use resolver 3, which picks compatible versions for you.
More on icu_collections
docs.rs feature list · crates.io · license Unicode-3.0 · edition 2024
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