Function changes_when_casefolded

pub const fn changes_when_casefolded() -> CodePointSetDataBorrowed<'static>

Characters whose normalized forms are not stable under case folding

✨ Enabled with the compiled_data Cargo feature.

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Example

use icu::properties::sets;

let changes_when_casefolded = sets::changes_when_casefolded();

assert!(changes_when_casefolded.contains('ß'));  // U+00DF LATIN SMALL LETTER SHARP S
assert!(!changes_when_casefolded.contains('ᜉ'));  // U+1709 TAGALOG LETTER PA