Function icu::properties::sets::load_pattern_syntax

pub fn load_pattern_syntax(
    provider: &impl DataProvider<PatternSyntaxV1Marker>
) -> Result<CodePointSetData, PropertiesError>

Characters used as syntax in patterns (such as regular expressions). See Unicode Standard Annex #31 for more details.

Example

use icu_properties::sets;

let data =
    sets::load_pattern_syntax(&icu_testdata::unstable())
        .expect("The data should be valid");
let pattern_syntax = data.as_borrowed();

assert!(pattern_syntax.contains('{'));
assert!(pattern_syntax.contains('⇒'));  // U+21D2 RIGHTWARDS DOUBLE ARROW
assert!(!pattern_syntax.contains('0'));