Function icu::properties::sets::load_changes_when_uppercased

source · [−]

pub fn load_changes_when_uppercased(
    provider: &impl DataProvider<ChangesWhenUppercasedV1Marker>
) -> Result<CodePointSetData, PropertiesError>

Expand description

Characters whose normalized forms are not stable under a toUppercase mapping

Example

use icu_properties::sets;

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

assert!(changes_when_uppercased.contains('ւ'));  // U+0582 ARMENIAN SMALL LETTER YIWN
assert!(!changes_when_uppercased.contains('Ւ'));  // U+0552 ARMENIAN CAPITAL LETTER YIWN