Function CGPathCreateCopyByUnioningPath 

pub extern "C-unwind" fn CGPathCreateCopyByUnioningPath(
    path: Option<&CGPath>,
    mask_path: Option<&CGPath>,
    even_odd_fill_rule: bool,
) -> Option<CFRetained<CGPath>>

👎Deprecated: renamed to CGPath::new_copy_by_unioning_path

Available on crate feature CGPath only.