Function CTLineEnumerateCaretOffsets 

pub unsafe extern "C-unwind" fn CTLineEnumerateCaretOffsets(
    line: &CTLine,
    block: &DynBlock<dyn Fn(c_double, CFIndex, bool, NonNull<bool>)>,
)

👎Deprecated: renamed to CTLine::enumerate_caret_offsets

Available on crate features CTLine and block2 only.