icu_collections/
lib.rs

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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//! Efficient collections for Unicode data.
6//!
7//! This module is published as its own crate ([`icu_collections`](https://docs.rs/icu_collections/latest/icu_collections/))
8//! and as part of the [`icu`](https://docs.rs/icu/latest/icu/) crate. See the latter for more details on the ICU4X project.
9//!
10//! ICU4X [`CodePointTrie`](crate::codepointtrie::CodePointTrie) provides a read-only view of `CodePointTrie` data that is exported
11//! from ICU4C. Detailed information about the design of the data structure can be found in the documentation
12//! for the [`CodePointTrie`](crate::codepointtrie::CodePointTrie) struct.
13//!
14//! ICU4X [`CodePointInversionList`](`crate::codepointinvlist::CodePointInversionList`) provides necessary functionality for highly efficient querying of sets of Unicode characters.
15//! It is an implementation of the existing [ICU4C UnicodeSet API](https://unicode-org.github.io/icu-docs/apidoc/released/icu4c/classicu_1_1UnicodeSet.html).
16//!
17//! ICU4X [`Char16Trie`](`crate::char16trie::Char16Trie`) provides a data structure for a space-efficient and time-efficient lookup of
18//! sequences of 16-bit units (commonly but not necessarily UTF-16 code units)
19//! which map to integer values.
20//! It is an implementation of the existing [ICU4C UCharsTrie](https://unicode-org.github.io/icu-docs/apidoc/released/icu4c/classicu_1_1UCharsTrie.html)
21//! / [ICU4J CharsTrie](https://unicode-org.github.io/icu-docs/apidoc/released/icu4j/com/ibm/icu/util/CharsTrie.html) API.
22
23// https://github.com/unicode-org/icu4x/blob/main/documents/process/boilerplate.md#library-annotations
24#![cfg_attr(not(any(test, feature = "std")), no_std)]
25#![cfg_attr(
26    not(test),
27    deny(
28        clippy::indexing_slicing,
29        clippy::unwrap_used,
30        clippy::expect_used,
31        clippy::panic
32    )
33)]
34#![warn(missing_docs)]
35
36extern crate alloc;
37
38pub mod char16trie;
39pub mod codepointinvlist;
40pub mod codepointinvliststringlist;
41pub mod codepointtrie;
42
43pub(crate) mod iterator_utils;
icu_collections/lib.rs

icu_collections/
lib.rs
