pub(crate) fn is_spacing_mark(c: char) -> bool {
    SPACING_MARK
        .binary_search_by(|&cpr| cpr.compare(c as u32))
        .is_ok()
}
/// Return whether c has the 'Spacing_Mark' Unicode property.
Return whether c has the 'Spacing_Mark' Unicode property.
Return whether c has the ' Spacing_Mark ' Unicode property .
pub(crate) fn is_spacing_mark(c: char) -> bool {
    SPACING_MARK
        .binary_search_by(|&cpr| cpr.compare(c as u32))
        .is_ok()
}
pub ( crate ) fn is_spacing_mark ( c : char ) -> bool { SPACING_MARK . binary_search_by ( | & cpr | cpr . compare ( c as u32 ) ) . is_ok ( ) }
Return whether c has the 'Spacing_Mark' Unicode property.
Return whether c has the ' Spacing_Mark ' Unicode property .
c
char