pub fn drain(&mut self) -> impl Iterator<Item = LatticeEvent<T>> + '_ {
        self.per_layer.iter_mut().flat_map(|(&layer, led)| {
            let maybe_event = led
                .layer_event
                .take()
                .map(|kind| LayerEvent { layer, kind })
                .into_iter();
            let per_chunk = led.per_chunk.iter_mut().flat_map(move |(&chunk, ced)| {
                let maybe_event = ced
                    .chunk_event
                    .take()
                    .map(|kind| ChunkEvent { layer, chunk, kind })
                    .into_iter();
                let per_slot = ced.per_slot.drain().map(move |(sub, kind)| SlotEvent {
                    layer,
                    chunk,
                    sub,
                    kind,
                });
                maybe_event
                    .map(LatticeEvent::Chunk)
                    .chain(per_slot.map(LatticeEvent::Slot))
            });
            maybe_event.map(LatticeEvent::Layer).chain(per_chunk)
        })
    }
/// Returns all debounced events, in order of layer events first, then, per chunk, a chunk
/// event for that chunk (if it exists) followed by slot events for that chunk.
Returns all debounced events, in order of layer events first, then, per chunk, a chunk
event for that chunk (if it exists) followed by slot events for that chunk.
Returns all debounced events in order of layer events first then per chunk a chunk event for that chunk ( if it exists ) followed by slot events for that chunk .
pub fn drain(&mut self) -> impl Iterator<Item = LatticeEvent<T>> + '_ {
        self.per_layer.iter_mut().flat_map(|(&layer, led)| {
            let maybe_event = led
                .layer_event
                .take()
                .map(|kind| LayerEvent { layer, kind })
                .into_iter();
            let per_chunk = led.per_chunk.iter_mut().flat_map(move |(&chunk, ced)| {
                let maybe_event = ced
                    .chunk_event
                    .take()
                    .map(|kind| ChunkEvent { layer, chunk, kind })
                    .into_iter();
                let per_slot = ced.per_slot.drain().map(move |(sub, kind)| SlotEvent {
                    layer,
                    chunk,
                    sub,
                    kind,
                });
                maybe_event
                    .map(LatticeEvent::Chunk)
                    .chain(per_slot.map(LatticeEvent::Slot))
            });
            maybe_event.map(LatticeEvent::Layer).chain(per_chunk)
        })
    }
pub fn drain ( & mut self ) -> impl Iterator < Item = LatticeEvent < T > > + ' _ { self . per_layer . iter_mut ( ) . flat_map ( | ( & layer , led ) | { let maybe_event = led . layer_event . take ( ) . map ( | kind | LayerEvent { layer , kind } ) . into_iter ( ) ; let per_chunk = led . per_chunk . iter_mut ( ) . flat_map ( move | ( & chunk , ced ) | { let maybe_event = ced . chunk_event . take ( ) . map ( | kind | ChunkEvent { layer , chunk , kind } ) . into_iter ( ) ; let per_slot = ced . per_slot . drain ( ) . map ( move | ( sub , kind ) | SlotEvent { layer , chunk , sub , kind , } ) ; maybe_event . map ( LatticeEvent :: Chunk ) . chain ( per_slot . map ( LatticeEvent :: Slot ) ) } ) ; maybe_event . map ( LatticeEvent :: Layer ) . chain ( per_chunk ) } ) }
Returns all debounced events, in order of layer events first, then, per chunk, a chunk
event for that chunk (if it exists) followed by slot events for that chunk.
Returns all debounced events in order of layer events first then per chunk a chunk event for that chunk ( if it exists ) followed by slot events for that chunk .
&mut self
&mut self