in scenario manager, show number of trips starting and ending at a particular building
@@ -7,6 +7,7 @@ use ezgui::{hotkey, EventCtx, GfxCtx, Key, ModalMenu, Text, Wizard, WrappedWizar
use geom::Duration;
use map_model::{IntersectionID, Map, Neighborhood};
use sim::{BorderSpawnOverTime, OriginDestination, Scenario, SeedParkedCars, SpawnOverTime};
+use std::collections::HashMap;
pub struct ScenarioManager {
menu: ModalMenu,
