commit | 109e231d4626a9de7c6461475a5b6cc0ff248a8c | [log] [tgz] |
---|---|---|
author | Joel Galenson <jgalenson@google.com> | Mon Aug 23 11:06:36 2021 -0700 |
committer | Joel Galenson <jgalenson@google.com> | Mon Aug 23 11:06:36 2021 -0700 |
tree | 63cb1989123ae217253405114bdc7654b859b9ca | |
parent | 7bc3042bbf36a22a89f09ef51fe7c15a8be329ab [diff] |
Update TEST_MAPPING Test: None Change-Id: I8f86221966c8a9bdb0b41d2698430ce6faecff01
Determine if a char
is a valid identifier for a parser and/or lexer according to Unicode Standard Annex #31 rules.
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)); }
unicode-xid supports a no_std
feature. This eliminates dependence on std, and instead uses equivalent functions from core.