def marker_steps
import bendvy-ecs-core@0.1.0.3/machine.bend as Machineimport Base
160def marker_steps(~W: Type,steps: List<&1,(W -> W)>,world: W) -> W:
161 match steps:
162 case Nil{}: world
163 case Con{step,rest}: marker_steps(~W,rest,step(world))