commit | abc255adf08eda187565c702a309f597f1e3666e | [log] [tgz] |
---|---|---|
author | Haibo Huang <hhb@google.com> | Fri Sep 11 02:31:45 2020 +0000 |
committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | Fri Sep 11 02:31:45 2020 +0000 |
tree | 171a8d477ac6d8882dfb1db3c4a3c4a6a4c6d1e5 | |
parent | 33803b5e870d6eb3b64745db9476a5c7e60ad254 [diff] | |
parent | d6e175df629a404d01175fe1ff244d36aecc535d [diff] |
Merge "Upgrade rust/crates/unicode-width to 0.1.8" am: 1793886e7e am: d6e175df62 Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/unicode-width/+/1414097 Change-Id: Ica3779bf8863945d5cab7e89739a817690b688c9
Determine displayed width of char
and str
types according to Unicode Standard Annex #11 rules.
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.
unicode-width does not depend on libstd, so it can be used in crates with the #![no_std]
attribute.
You can use this package in your project by adding the following to your Cargo.toml
:
[dependencies] unicode-width = "0.1.7"