commit | 609de15bdf7ce669f78181b6ac895d6a0015a36c | [log] [tgz] |
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author | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | Tue May 10 07:03:06 2022 +0000 |
committer | Android Build Coastguard Worker <android-build-coastguard-worker@google.com> | Tue May 10 07:03:06 2022 +0000 |
tree | 2f638b0af631bc4d9825f4ea5d5afa19e188b68a | |
parent | c1699a6b818724212df7e15b961a22c6df0c9a55 [diff] | |
parent | bd8e405fbb6cfa58acb6dfcaaa72ca7e1f44b594 [diff] |
Snap for 8564071 from bd8e405fbb6cfa58acb6dfcaaa72ca7e1f44b594 to mainline-resolv-release Change-Id: Ie5c1655621c1265f47a9638ea2feeb77bc437e69
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.