3 Determine if a `char` is a valid identifier for a parser and/or lexer according to
4 [Unicode Standard Annex #31](http://www.unicode.org/reports/tr31/) rules.
6 [![Build Status](https://travis-ci.org/unicode-rs/unicode-xid.svg)](https://travis-ci.org/unicode-rs/unicode-xid)
8 [Documentation](https://unicode-rs.github.io/unicode-xid/unicode_xid/index.html)
11 extern crate unicode_xid;
13 use unicode_xid::UnicodeXID;
17 println!("Is {} a valid start of an identifier? {}", ch, UnicodeXID::is_xid_start(ch));
23 unicode-xid supports a `no_std` feature. This eliminates dependence
24 on std, and instead uses equivalent functions from core.
28 You can use this package in your project by adding the following