78 enum ResourceState {  enum
86     const BORROW: Self = AtomicResourceState::new(ResourceState::Borrow);
87     const NOT_IN_TABLE: Self = AtomicResourceState::new(ResourceState::NotInTable);
89     const fn new(state: ResourceState) -> AtomicResourceState {  in new()
97     fn get(&self) -> ResourceState {  in get()  argument
98         ResourceState::decode(self.index.load(Relaxed), self.generation.load(Relaxed))  in get()
101     fn swap(&self, state: ResourceState) -> ResourceState {  in swap()  argument
107         ResourceState::decode(index_prev, generation_prev)  in swap()
111 impl ResourceState {  implementation
117     fn decode(idx: u32, generation: u32) -> ResourceState {  in decode()  argument
169             ResourceState::Borrow => false,  in owned()
170             ResourceState::Taken | ResourceState::NotInTable | ResourceState::Index(_) => true,  in owned()
184                     ResourceState::Borrow => {  in lower_to_index()
192                     ResourceState::NotInTable => {  in lower_to_index()
193                         let prev = self.state.swap(ResourceState::Taken);  in lower_to_index()
194                         assert_eq!(prev, ResourceState::NotInTable);  in lower_to_index()
200                     ResourceState::Taken => bail!("host resource already consumed"),  in lower_to_index()
205                     ResourceState::Index(idx) => cx.host_resource_lift_own(idx)?,  in lower_to_index()
217                     ResourceState::Borrow => self.rep,  in lower_to_index()
221                     ResourceState::Taken => bail!("host resource already consumed"),  in lower_to_index()
233                     ResourceState::NotInTable => {  in lower_to_index()
235                         let prev = self.state.swap(ResourceState::Index(idx));  in lower_to_index()
236                         assert_eq!(prev, ResourceState::NotInTable);  in lower_to_index()
242                     ResourceState::Index(idx) => cx.host_resource_lift_borrow(idx)?,  in lower_to_index()
297             ResourceState::Borrow => (tables.host_resource_lower_borrow(rep)?, false),  in try_into_resource_any()
298             ResourceState::NotInTable => {  in try_into_resource_any()
302             ResourceState::Taken => bail!("host resource already consumed"),  in try_into_resource_any()
303             ResourceState::Index(idx) => (idx, true),  in try_into_resource_any()
388             ResourceState::Borrow => "borrow",  in fmt()
389             ResourceState::NotInTable => "own (not in table)",  in fmt()
390             ResourceState::Taken => "taken",  in fmt()
391             ResourceState::Index(_) => "own",  in fmt()