Determine displayed width ofchar andstr types according toUnicode Standard Annex #11rules.

externcrateunicode_width;useunicode_width::UnicodeWidthStr;fnmain() {letteststr="Ｈｅｌｌｏ, ｗｏｒｌｄ!";letwidth=UnicodeWidthStr::width(teststr);println!("{}",teststr);println!("The above string is {} columns wide.",width);letwidth=teststr.width_cjk();println!("The above string is {} columns wide (CJK).",width);}

features

unicode-width supports ano_std feature. This eliminates dependenceon std, and instead uses equivalent functions from core.

crates.io

You can use this package in your project by adding the followingto yourCargo.toml:

[dependencies]unicode-width = "0.1.1"