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# unicode-width
Determine displayed width of `char` and `str` types according to
[Unicode Standard Annex #11][UAX11] rules.
[UAX11]: http://www.unicode.org/reports/tr11/
[](https://travis-ci.org/unicode-rs/unicode-width)
[Documentation](https://unicode-rs.github.io/unicode-width/unicode_width/index.html)
```rust
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.
```rust
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][UAX11] 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`:
```toml
[dependencies]
unicode-width = "0.1.7"
```
Version data entries
30 entries across 30 versions & 1 rubygems