commit | 5c34d0f1ef8b9ae984eddbc65d590c5b48e06f77 | [log] [tgz] |
---|---|---|
author | android-build-team Robot <android-build-team-robot@google.com> | Mon Jun 21 14:32:53 2021 +0000 |
committer | android-build-team Robot <android-build-team-robot@google.com> | Mon Jun 21 14:32:53 2021 +0000 |
tree | 61cbc999afbb44a39051d64970ec4715eba50b3e | |
parent | c1e423c8e1d800a433ed8156fe96384d3232def5 [diff] | |
parent | 788b1177692dad380cf13694e7bf948d3f451423 [diff] |
Snap for 7478028 from 788b1177692dad380cf13694e7bf948d3f451423 to mainline-documentsui-release Change-Id: I17f96bc98e6092cd9d920fe057fcea881a7beeea
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.