zerofrom/lib.rs
1// This file is part of ICU4X. For terms of use, please see the file
2// called LICENSE at the top level of the ICU4X source tree
3// (online at: https://github.com/unicode-org/icu4x/blob/main/LICENSE ).
4
5// https://github.com/unicode-org/icu4x/blob/main/documents/process/boilerplate.md#library-annotations
6#![cfg_attr(not(any(test, doc)), no_std)]
7#![cfg_attr(
8 not(test),
9 deny(
10 clippy::indexing_slicing,
11 clippy::unwrap_used,
12 clippy::expect_used,
13 clippy::panic,
14 )
15)]
16#![warn(missing_docs)]
17
18//! This crate provides [`ZeroFrom`], a trait for converting types in a zero-copy way.
19//!
20//! See the documentation of [`ZeroFrom`] for more details.
21
22// The lifetimes here are important for safety and explicitly writing
23// them out is good even when redundant
24#![allow(clippy::needless_lifetimes)]
25
26#[cfg(feature = "alloc")]
27extern crate alloc;
28
29mod macro_impls;
30mod zero_from;
31
32#[cfg(feature = "derive")]
33pub use zerofrom_derive::ZeroFrom;
34
35pub use crate::zero_from::ZeroFrom;