| # unicode-xid |
| |
| Determine if a `char` is a valid identifier for a parser and/or lexer according to |
| [Unicode Standard Annex #31](http://www.unicode.org/reports/tr31/) rules. |
| |
| [](https://travis-ci.org/unicode-rs/unicode-xid) |
| |
| [Documentation](https://unicode-rs.github.io/unicode-xid/unicode_xid/index.html) |
| |
| ```rust |
| 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 |
| |
| ## 0.2.2 |
| |
| - Add an ASCII fast-path |
| |
| ## 0.2.1 |
| |
| - Update to Unicode 13.0.0 |
| - Speed up lookup |
| |
| ## 0.2.0 |
| |
| - Update to Unicode 12.1.0. |
| |
| ## 0.1.0 |
| |
| - Initial release. |
