def App.step
import Base3167def App.step(
3168 -S: Type, app: App<S>, window: Window, state: S,
3169 rest: Window -> S -> IO(Unit)
3170) -> IO(Unit):
3171 App{view, tick} = app
3172 App.draw(S, window, view(state), tick, rest)
import Base3167def App.step(
3168 -S: Type, app: App<S>, window: Window, state: S,
3169 rest: Window -> S -> IO(Unit)
3170) -> IO(Unit):
3171 App{view, tick} = app
3172 App.draw(S, window, view(state), tick, rest)