Function icu::properties::sets::load_changes_when_nfkc_casefolded

pub fn load_changes_when_nfkc_casefolded(
    provider: &impl DataProvider<ChangesWhenNfkcCasefoldedV1Marker>
) -> Result<CodePointSetData, PropertiesError>

Characters which are not identical to their NFKC_Casefold mapping

Example

use icu_properties::sets;

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

assert!(changes_when_nfkc_casefolded.contains('🄵'));  // U+1F135 SQUARED LATIN CAPITAL LETTER F
assert!(!changes_when_nfkc_casefolded.contains('f'));