commit | 014a4d4dd233acc96ff2049314a1c3a18483a5b1 | [log] [tgz] |
---|---|---|
author | Steven Laver <lavers@google.com> | Sun Sep 29 10:18:45 2019 -0700 |
committer | Steven Laver <lavers@google.com> | Sun Sep 29 10:18:45 2019 -0700 |
tree | 09d232e52314ddd280d9804e59cb9f399a373331 | |
parent | c1e9bc1c4f025e50d92a6135aff1c2e18409df4a [diff] | |
parent | 72e3ba246bde8eabd19895a0601ac4662c44ccdd [diff] |
Merge RP1A.190923.001 Change-Id: I94fa8aa16d805d72f42a1153adc4766738980fbc
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.
You can use this package in your project by adding the following to your Cargo.toml
:
[dependencies] unicode-xid = "0.0.4"