#text #width #unicode

no-std unicode-width

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

9 releases

0.1.7 Dec 5, 2019
0.1.6 Aug 19, 2019
0.1.5 May 19, 2018
0.1.4 Dec 23, 2016
0.0.1 Apr 14, 2015

#6 in Text processing

Download history 118914/week @ 2019-11-01 119980/week @ 2019-11-08 123482/week @ 2019-11-15 127681/week @ 2019-11-22 126695/week @ 2019-11-29 174951/week @ 2019-12-06 154151/week @ 2019-12-13 101793/week @ 2019-12-20 96420/week @ 2019-12-27 144153/week @ 2020-01-03 166406/week @ 2020-01-10 158948/week @ 2020-01-17 152917/week @ 2020-01-24 150699/week @ 2020-01-31 137220/week @ 2020-02-07

540,778 downloads per month
Used in 6,426 crates (112 directly)

MIT/Apache

47KB
639 lines

unicode-width

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

Build Status

Documentation

extern crate unicode_width;

use unicode_width::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.

extern crate unicode_width;
use unicode_width::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 = "0.1.7"

Dependencies

~140KB