Function swift_runtime_sys::root::swift::swift_nonatomic_unknownObjectRetain_n   
source ยท pub unsafe extern "C" fn swift_nonatomic_unknownObjectRetain_n(
    value: *mut c_void,
    n: c_int,
) -> *mut c_voidExpand description
Increment the strong retain count of an object which might not be a native Swift object by n.