structure.txt

App                                               | Main egui application
 └arc SimulationContext                           | 
   ├[arc CircuitPreview]                          | Map for circuit previews, type id -> preview
   └rwlock [StoredCircuitBoard]                   | 
     ├arc CircuitBoard                            | 
     │ ├rwlock [Wire]                             | 
     │ ├rwlock [arc Circuit]                      | 
     │ │ ├arc rwlock CircuitInfo                  | 
     │ │ │ └[CircuitPinInfo]                      | 
     │ │ │                                        | 
     │ │ ├arc rwlock dyn CircuitImpl              | Dynamic circuit implementation
     │ │ └CircuitPropertyStore                    | 
     │ │                                          | 
     │ ├arc StateCollection                       | 
     │ │ └rwlock [arc State]                      | 
     │ │   ├rwlock [rwlock WireState]             | 
     │ │   └rwlock [rwlock CircuitState]          | 
     │ │     ├[WireState]                         | 
     │ │     ├[PinDirection]                      | 
     │ │     └option dyn InternalCircuitState     | 
     │ │                                          | 
     │ └arc rwlock CircuitDesignStorage           | 
     │   └[arc CircuitDesign]                     | 
     │     ├[CircuitDesignPin]                    | 
     │     └[Decoration]                          | 
     │                                            | 
     └option arc CircuitPreview                   | Preview for board circuit