523 pub struct Attribute<const ID: u64, O, Data> {
525     _p: PhantomData<(O, Data)>,
529 unsafe impl<const ID: u64, O, Data> Sync for Attribute<ID, O, Data> {}
532 unsafe impl<const ID: u64, O, Data> Send for Attribute<ID, O, Data> {}
534 impl<const ID: u64, O, Data> Attribute<ID, O, Data>
536     O: AttributeOperations<ID, Data = Data>,
563         let ret = O::show(data, unsafe { &mut *(page.cast::<[u8; PAGE_SIZE]>()) });  in show()
596         let ret = O::store(  in store()
619                 store: if O::HAS_STORE {  in new()
708     pub const unsafe fn add<const I: usize, const ID: u64, O>(  in add()  argument
710         attribute: &'static Attribute<ID, O, Data>,  in add()
712         O: AttributeOperations<ID, Data = Data>,  in add()