TempPred

vstd_extra::temporal_logic::defs

Struct TempPred 

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pub struct TempPred<T> {
    pub pred: FnSpec<(Execution<T>,), bool>,
}

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§pred: FnSpec<(Execution<T>,), bool>

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impl<T> TempPred<T>

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pub open spec fn new(pred: FnSpec<(Execution<T>,), bool>) -> Self

{ TempPred { pred: pred } }
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pub open spec fn satisfied_by(self, execution: Execution<T>) -> bool

{ (self.pred)(execution) }
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pub open spec fn and(self, other: Self) -> Self

{ TempPred::new(|ex: Execution<T>| self.satisfied_by(ex) && other.satisfied_by(ex)) }

/\ for temporal predicates in TLA+ (i.e., && in Verus).

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pub open spec fn or(self, other: Self) -> Self

{ TempPred::new(|ex: Execution<T>| self.satisfied_by(ex) || other.satisfied_by(ex)) }

\/ for temporal predicates in TLA+ (i.e., || in Verus).

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pub open spec fn implies(self, other: Self) -> Self

{ TempPred::new(|ex: Execution<T>| self.satisfied_by(ex) ==> other.satisfied_by(ex)) }
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pub open spec fn leads_to(self, other: Self) -> Self

{ always(self.implies(eventually(other))) }
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pub open spec fn entails(self, other: Self) -> bool

{ valid(self.implies(other)) }

|= for temporal predicates in TLA+.

Auto Trait Implementations§

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impl<T> Freeze for TempPred<T>

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impl<T> RefUnwindSafe for TempPred<T>
where T: RefUnwindSafe,

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impl<T> Send for TempPred<T>
where T: Send,

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impl<T> Sync for TempPred<T>
where T: Sync,

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impl<T> Unpin for TempPred<T>
where T: Unpin,

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impl<T> UnwindSafe for TempPred<T>
where T: UnwindSafe,

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, VERUS_SPEC__A> FromSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: From<T>,

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fn obeys_from_spec() -> bool

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fn from_spec(v: T) -> VERUS_SPEC__A

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, VERUS_SPEC__A> IntoSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: Into<T>,

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fn obeys_into_spec() -> bool

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fn into_spec(self) -> T

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impl<T, U> IntoSpecImpl<U> for T
where U: From<T>,

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fn obeys_into_spec() -> bool

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fn into_spec(self) -> U

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, VERUS_SPEC__A> TryFromSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: TryFrom<T>,

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fn obeys_try_from_spec() -> bool

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fn try_from_spec( v: T, ) -> Result<VERUS_SPEC__A, <VERUS_SPEC__A as TryFrom<T>>::Error>

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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T, VERUS_SPEC__A> TryIntoSpec<T> for VERUS_SPEC__A
where VERUS_SPEC__A: TryInto<T>,

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fn obeys_try_into_spec() -> bool

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fn try_into_spec(self) -> Result<T, <VERUS_SPEC__A as TryInto<T>>::Error>

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impl<T, U> TryIntoSpecImpl<U> for T
where U: TryFrom<T>,

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fn obeys_try_into_spec() -> bool

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fn try_into_spec(self) -> Result<U, <U as TryFrom<T>>::Error>