QLThumbnailIsCancelled

objc2_quick_look

Function QLThumbnailIsCancelled 

Source 
pub unsafe extern "C-unwind" fn QLThumbnailIsCancelled(
    thumbnail: &QLThumbnail,
) -> bool
👎Deprecated: renamed to QLThumbnail::is_cancelled
Available on crate feature QLThumbnail only.