Enum promql::Node

pub enum Node {
    Operator {
        x: Box<Node>,
        op: Op,
        y: Box<Node>,
    },
    Vector(Vector),
    Scalar(f32),
    String(String),
    Function {
        name: String,
        args: Vec<Node>,
        aggregation: Option<AggregationMod>,
    },
    Negation(Box<Node>),
}

AST node.

Variants

Operator

Operator: a + ignoring (foo) b

Fields of Operator

x: Box<Node>

First operand.

op: Op

Operator itself.

y: Box<Node>

Second operand.

Vector(Vector)

Time series vector.

Scalar(f32)

Floating point number.

String(String)

String literal.

Function

Function call or aggregation operator.

Fields of Function

name: Stringargs: Vec<Node>aggregation: Option<AggregationMod>

Negation(Box<Node>)

Unary negation, e.g. -b in a + -b

Trait Implementations

impl Debug for Node

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

Formats the value using the given formatter.

impl PartialEq<Node> for Node

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

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

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

This method tests for !=.

impl StructuralPartialEq for Node