🚗 Drive
🚴 Bike
🚶 Walk
↺ Reset
▶ route()
map.route(A → B)
client code: unchanged
no route yet
City map · A → B
strategy held:
DriveStrategy
RIVER
PARK
HIGHWAY
A
B
Pick a strategy chip, then press
▶ route()
.
▸
The mono card never changes — only the object behind it does.