[−][src]Struct predicates::constant::BooleanPredicate
Predicate that always returns a constant (boolean) result.
This is created by the predicate::always
and predicate::never
functions.
Trait Implementations
impl Copy for BooleanPredicate
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impl PartialEq<BooleanPredicate> for BooleanPredicate
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fn eq(&self, other: &BooleanPredicate) -> bool
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fn ne(&self, other: &BooleanPredicate) -> bool
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impl Eq for BooleanPredicate
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impl Clone for BooleanPredicate
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fn clone(&self) -> BooleanPredicate
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Debug for BooleanPredicate
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impl Display for BooleanPredicate
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impl<Item> Predicate<Item> for BooleanPredicate
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fn eval(&self, _variable: &Item) -> bool
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fn find_case<'a>(&'a self, expected: bool, variable: &Item) -> Option<Case<'a>>
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impl PredicateReflection for BooleanPredicate
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Auto Trait Implementations
impl Send for BooleanPredicate
impl Sync for BooleanPredicate
Blanket Implementations
impl<P, Item> PredicateNameExt for P where
Item: ?Sized,
P: Predicate<Item>,
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Item: ?Sized,
P: Predicate<Item>,
fn name(self, name: &'static str) -> NamePredicate<Self, Item> where
Self: Sized,
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Self: Sized,
Name a predicate expression. Read more
impl<P, Item> PredicateBooleanExt for P where
Item: ?Sized,
P: Predicate<Item>,
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Item: ?Sized,
P: Predicate<Item>,
fn and<B>(self, other: B) -> AndPredicate<Self, B, Item> where
B: Predicate<Item>,
Self: Sized,
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B: Predicate<Item>,
Self: Sized,
Compute the logical AND of two Predicate
results, returning the result. Read more
fn or<B>(self, other: B) -> OrPredicate<Self, B, Item> where
B: Predicate<Item>,
Self: Sized,
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B: Predicate<Item>,
Self: Sized,
Compute the logical OR of two Predicate
results, returning the result. Read more
fn not(self) -> NotPredicate<Self, Item> where
Self: Sized,
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Self: Sized,
Compute the logical NOT of a Predicate
, returning the result. Read more
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.
fn to_owned(&self) -> T
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fn clone_into(&self, target: &mut T)
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impl<T> From for T
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impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,