#unicode-width #unicode #width #unicode-characters #unicode-normalization #text

no-std unicode-width-16

Determine displayed width of char and str types according to Unicode Standard Annex #11 rules

1 unstable release

Uses old Rust 2015

0.1.0 Oct 10, 2024

#307 in Text processing

37 downloads per month

MIT/Apache

83KB
908 lines

unicode-width-16

This crate is a fork of https://github.com/unicode-rs/unicode-width with Unicode 16 support and removed normalization.

Determine displayed width of char and str types according to Unicode Standard Annex #11 rules.

use unicode_width_16::UnicodeWidthStr;

fn main() {
    let teststr = "Hello, world!";
    let width = UnicodeWidthStr::width(teststr);
    println!("{}", teststr);
    println!("The above string is {} columns wide.", width);
    let width = teststr.width_cjk();
    println!("The above string is {} columns wide (CJK).", width);
}

NOTE: The computed width values may not match the actual rendered column width. For example, the woman scientist emoji comprises of a woman emoji, a zero-width joiner and a microscope emoji.

use unicode_width_16::UnicodeWidthStr;

fn main() {
    assert_eq!(UnicodeWidthStr::width("👩"), 2); // Woman
    assert_eq!(UnicodeWidthStr::width("🔬"), 2); // Microscope
    assert_eq!(UnicodeWidthStr::width("👩‍🔬"), 4); // Woman scientist
}

See Unicode Standard Annex #11 for precise details on what is and isn't covered by this crate.

features

unicode-width does not depend on libstd, so it can be used in crates with the #![no_std] attribute.

crates.io

You can use this package in your project by adding the following to your Cargo.toml:

[dependencies]
unicode-width-16 = "0.1.0"

Dependencies

~205KB