use icu::properties::CodePointSetData;
use icu::properties::props::AsciiHexDigit;
let ascii_hex_digit = CodePointSetData::new::<AsciiHexDigit>();
assert!(ascii_hex_digit.contains('3'));
assert!(!ascii_hex_digit.contains('੩')); // U+0A69 GURMUKHI DIGIT THREE
assert!(ascii_hex_digit.contains('A'));
assert!(!ascii_hex_digit.contains('Ä')); // U+00C4 LATIN CAPITAL LETTER A WITH DIAERESIS