[automerger skipped] Mark ab/7061308 as merged in stage. am: 74fd093f8c -s ours am: e7db9fb7ee -s ours am skip reason: Change-Id I6a3fdf1243cf62d927b122acfe2cebebd7e0d3c9 with SHA-1 1316d84b38 is in history Original change: undetermined MUST ONLY BE SUBMITTED BY AUTOMERGER Change-Id: Ia1be2d330311e1eb1a4e11ed8719ded1fe4db1e4
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.