[−][src]Enum liquid::interpreter::Expression
An un-evaluated Value
.
Variants
Variable(Variable)
Un-evaluated.
Literal(Value)
Evaluated.
Methods
impl Expression
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pub fn with_literal<S>(literal: S) -> Expression where
S: Into<ScalarCow<'static>>,
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S: Into<ScalarCow<'static>>,
Create an expression from a scalar literal.
pub fn into_literal(self) -> Option<Value>
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Convert into a literal if possible.
pub fn into_variable(self) -> Option<Variable>
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Convert into a variable, if possible.
pub fn try_evaluate(&'c self, context: &'c Context) -> Option<&'c Value>
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Convert to a Value
.
pub fn evaluate(&'c self, context: &'c Context) -> Result<&'c Value, Error>
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Convert to a Value
.
Trait Implementations
impl Display for Expression
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impl Extend<Expression> for Variable
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fn extend<T>(&mut self, iter: T) where
T: IntoIterator<Item = Expression>,
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T: IntoIterator<Item = Expression>,
impl PartialEq<Expression> for Expression
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fn eq(&self, other: &Expression) -> bool
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fn ne(&self, other: &Expression) -> bool
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impl Debug for Expression
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impl Clone for Expression
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fn clone(&self) -> Expression
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
Auto Trait Implementations
impl Send for Expression
impl Sync for Expression
Blanket Implementations
impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> From for T
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impl<T> ToString for T where
T: Display + ?Sized,
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T: Display + ?Sized,
impl<T> ToOwned for T where
T: Clone,
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T: Clone,
impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = !
🔬 This is a nightly-only experimental API. (
try_from
)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
🔬 This is a nightly-only experimental API. (
try_from
)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,
impl<T> Any for T where
T: Any,
T: Any,
impl<T> CloneAny for T where
T: Clone + Any,
T: Clone + Any,