39 pub struct Shelf(HashMap<TypeId, Box<dyn Any + Send>>);
43     pub fn get_downcast_ref<T: Any + Send>(&self) -> Option<&T> {  in get_downcast_ref()
49     pub fn get_downcast_mut<T: Any + Send>(&mut self) -> Option<&mut T> {  in get_downcast_mut()
54     pub fn remove_downcast_ref<T: Any + Send>(&mut self) -> Option<T> {  in remove_downcast_ref()
59     pub fn put<T: Any + Send>(&mut self, v: T) -> Option<T> {  in put()
61             .insert(TypeId::of::<T>(), Box::new(v) as Box<dyn Any + Send>)  in put()
67     pub fn get_mut<T: Any + Send + Default>(&mut self) -> &mut T {  in get_mut()
70             .or_insert_with(|| Box::new(T::default()) as Box<dyn Any + Send>)  in get_mut()
77     pub fn get_or_put_with<T: Any + Send, F>(&mut self, init: F) -> &mut T  in get_or_put_with()  argument
83             .or_insert_with(|| Box::new(init()) as Box<dyn Any + Send>)  in get_or_put_with()
93     hi_prio_req: VecDeque<Box<dyn FnOnce(&mut Shelf) + Send>>,
94     lo_prio_req: VecDeque<Box<dyn FnOnce(&mut Shelf) + Send>>,
95     idle_fns: Vec<Arc<dyn Fn(&mut Shelf) + Send + Sync>>,
140         F: for<'r> FnOnce(&'r mut Shelf) + Send + 'static,  in queue_hi()
151         F: FnOnce(&mut Shelf) + Send + 'static,  in queue_lo()
160         F: Fn(&mut Shelf) + Send + Sync + 'static,  in add_idle()
169         F: for<'r> FnOnce(&'r mut Shelf) + Send + 'static,  in queue()
199                 QueuedFn(Box<dyn FnOnce(&mut Shelf) + Send>),  in spawn_thread()
200                 IdleFns(Vec<Arc<dyn Fn(&mut Shelf) + Send + Sync>>),  in spawn_thread()