Function transition_state 

pub fn transition_state<Storage, T, S, Next>(
    state: State<Storage, T, S>,
    _token: <Storage::Machine<T> as StateMachineImpl>::TransitionToken,
) -> StateTransitionCall<Storage, T, S, Next>
where
    T: StateMachineImpl,
    Storage: StateStorage,
    T::Standin: Transition<S, Next>,
    S: StateTrait,
    Next: ConcreteStateTrait,

Creates a callable transition for generic state storage.