smc_scan_core 0.2.0

Core module for the Scan model checker.
Documentation 
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use crate::Time;

/// Implementators are induced by a temporal property.
/// They can update their internal state when fed a new state of a trace,
/// and establish whether their corresponding property holds on such trace.
pub trait Oracle: Sync {
    /// Update the internal state of the [`Oracle`] with the latest state of a temporal trace.
    fn update_state(&mut self, state: &[bool]);

    /// Update the internal state of the [`Oracle`] with the latest state of a temporal trace.
    fn update_time(&mut self, time: Time);

    /// Returns the values of the "assume" properties,
    /// if already determined.
    fn output_assumes(&self) -> impl Iterator<Item = Option<bool>>;

    /// Returns the values of the "guarantee" properties,
    /// if already determined.
    fn output_guarantees(&self) -> impl Iterator<Item = Option<bool>>;

    /// As the trace ends, the values of the "assume" properties is determined to be either true or false.
    fn final_output_assumes(&self) -> impl Iterator<Item = bool>;

    /// As the trace ends, the values of the "guarantee" properties is determined to be either true or false.
    fn final_output_guarantees(&self) -> impl Iterator<Item = bool>;
}