170     unsafe fn io_read(&self, address: usize) -> T;  in io_read()
177     unsafe fn io_write(&self, value: T, address: usize);  in io_write()
430     fn try_read<T, L>(&self, location: L) -> Result<T>  in try_read()
464     fn try_write<T, L>(&self, location: L, value: T) -> Result  in try_write()
510     fn try_write_reg<T, L, V>(&self, value: V) -> Result  in try_write_reg()
543     fn try_update<T, L, F>(&self, location: L, f: F) -> Result  in try_update()
545         L: IoLoc<T>,  in try_update()
547         F: FnOnce(T) -> T,  in try_update()
582     fn read<T, L>(&self, location: L) -> T  in read()
584         L: IoLoc<T>,  in read()
614     fn write<T, L>(&self, location: L, value: T)  in write()
616         L: IoLoc<T>,  in write()
657     fn write_reg<T, L, V>(&self, value: V)  in write_reg()
659         L: IoLoc<T>,  in write_reg()
690     fn update<T, L, F>(&self, location: L, f: F)  in update()
692         L: IoLoc<T>,  in update()
694         F: FnOnce(T) -> T,  in update()