Trait finny::FsmTransitionGuard

pub trait FsmTransitionGuard<F: FsmBackend, E> {
    pub fn guard<'a, Q: FsmEventQueue<F>>(
        event: &E, 
        context: &EventContext<'a, F, Q>
    ) -> bool;

    pub fn execute_guard<Q: FsmEventQueue<F>>(
        frontend: &mut FsmFrontend<F, Q>, 
        event: &E
    ) -> bool { ... }
}

Check if this transition is allowed to be entered.

Required methods

pub fn guard<'a, Q: FsmEventQueue<F>>(
    event: &E,
    context: &EventContext<'a, F, Q>
) -> bool

Return a boolean value whether this transition is usable at the moment. The check shouln't mutate any structures.

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Provided methods

pub fn execute_guard<Q: FsmEventQueue<F>>(
    frontend: &mut FsmFrontend<F, Q>,
    event: &E
) -> bool

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Implementors

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