Function CTFontCreateCopyWithSymbolicTraits 

pub unsafe extern "C-unwind" fn CTFontCreateCopyWithSymbolicTraits(
    font: &CTFont,
    size: CGFloat,
    matrix: *const CGAffineTransform,
    sym_trait_value: CTFontSymbolicTraits,
    sym_trait_mask: CTFontSymbolicTraits,
) -> Option<CFRetained<CTFont>>

👎Deprecated: renamed to CTFont::copy_with_symbolic_traits

Available on crate features CTFont and CTFontTraits only.