Enum liquid_interpreter::Expression

pub enum Expression {
    Variable(Variable),
    Literal(Value),
}

An un-evaluated Value.

Variants

Variable(Variable)

Un-evaluated.

Literal(Value)

Evaluated.

Methods

impl Expression

pub fn with_literal<S: Into<Scalar>>(literal: S) -> Self

Create an expression from a scalar literal.

pub fn evaluate(&self, context: &Context) -> Result<Value>

Convert to a Value.

Trait Implementations

impl Debug for Expression

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Clone for Expression

fn clone(&self) -> Expression

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl PartialEq for Expression

fn eq(&self, other: &Expression) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Expression) -> bool

This method tests for !=.

impl Display for Expression

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl Extend<Expression> for Variable

fn extend<T: IntoIterator<Item = Expression>>(&mut self, iter: T)

Extends a collection with the contents of an iterator.