Fuchsia code uses ICU library for the common internationalization services such as date, time, timezone, locale and language handling.
Use in C and C++
The ICU library is imported through a third-party dependency
//third_party/icu. As an example use of the library, one can look at the C++
wisdom example. This is a sample client-server collaboration that
requests, serves and prints on screen date and time information using several
different languages, calendars and scripts.
Use in Rust
The ICU library is available in rust programs as well, through a binding of the ICU4C library into Rust.
The library is subdivided into several crates, each one corresponding to a specific part of the ICU4C headers, and named after the corresponding one. Today, the functionality is partial, and is constructed to serve Fuchsia's Unicode needs.
As a demonstration of the rust bindings for ICU4C, we made a rust equivalent of the wisdom server. This example is available as the rust wisdom example.
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