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Original change: https://googleplex-android-review.googlesource.com/c/platform/external/rust/crates/unicode-xid/+/12797368

Change-Id: Ieb65153f2d23ce3b12d6ac0332824033bb5eeef6
tree: 158f9aed75a3b0ef2a34e968ada900d5e6bb625b
  1. src/
  2. tests/
  3. .cargo_vcs_info.json
  4. .gitignore
  5. Android.bp
  6. AndroidTest.xml
  7. AndroidTest_exhaustive_tests.xml
  8. Cargo.toml
  9. Cargo.toml.orig
  10. COPYRIGHT
  11. LICENSE-APACHE
  12. LICENSE-MIT
  13. METADATA
  14. MODULE_LICENSE_APACHE2
  15. OWNERS
  16. post_update.sh
  17. README.md
  18. TEST_MAPPING
README.md

unicode-xid

Determine if a char is a valid identifier for a parser and/or lexer according to Unicode Standard Annex #31 rules.

Build Status

Documentation

extern crate unicode_xid;

use unicode_xid::UnicodeXID;

fn main() {
    let ch = 'a';
    println!("Is {} a valid start of an identifier? {}", ch, UnicodeXID::is_xid_start(ch));
}

features

unicode-xid supports a no_std feature. This eliminates dependence on std, and instead uses equivalent functions from core.

changelog

0.2.0

  • Update to Unicode 12.1.0.

0.1.0

  • Initial release.