commit | 5f9157dfd9146fae3783da789df91441d1ff9053 | [log] [tgz] |
---|---|---|
author | Jeff Vander Stoep <jeffv@google.com> | Thu Nov 05 14:34:23 2020 +0000 |
committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | Thu Nov 05 14:34:23 2020 +0000 |
tree | 8188f8f25890a438093acbaf2eafb630f51ee384 | |
parent | fcb9ccef18767ccb77c02928236ac56a031eebd0 [diff] | |
parent | 5212de053bdcb8b2c52cc0906e7a2739171244ee [diff] |
TEST_MAPPING: test dependers of this crate am: 5212de053b Original change: https://android-review.googlesource.com/c/platform/external/rust/crates/unicode-width/+/1486248 Change-Id: I099aadce0330fa2589d02784c89a3283ca6c1592
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"