#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

#10 in Text processing

Download history 117908/week @ 2019-11-10 127454/week @ 2019-11-17 116602/week @ 2019-11-24 149823/week @ 2019-12-01 168177/week @ 2019-12-08 151833/week @ 2019-12-15 87744/week @ 2019-12-22 104521/week @ 2019-12-29 154929/week @ 2020-01-05 161212/week @ 2020-01-12 160476/week @ 2020-01-19 152657/week @ 2020-01-26 149479/week @ 2020-02-02 147995/week @ 2020-02-09 133106/week @ 2020-02-16

540,778 downloads per month
Used in 6,490 crates (114 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