Enum ExprNode 

pub enum ExprNode {
    Literal(Kind),
    Variable(String),
    BinaryOp {
        left: Box<ExprNode>,
        op: BinOp,
        right: Box<ExprNode>,
    },
    UnaryOp {
        op: UnOp,
        operand: Box<ExprNode>,
    },
    Comparison {
        left: Box<ExprNode>,
        op: CmpOp,
        right: Box<ExprNode>,
    },
    Logical {
        left: Box<ExprNode>,
        op: LogicOp,
        right: Box<ExprNode>,
    },
    FnCall {
        name: String,
        args: Vec<ExprNode>,
    },
    Conditional {
        cond: Box<ExprNode>,
        then_expr: Box<ExprNode>,
        else_expr: Box<ExprNode>,
    },
}

Expression AST node.

Variants

Literal(Kind)

A literal value: 72, "hello", true, null.

Variable(String)

A variable reference: $tagName.

BinaryOp

Binary arithmetic: left op right.

Fields

left: Box<ExprNode>

op: BinOp

right: Box<ExprNode>

UnaryOp

Unary operation: op operand.

Fields

op: UnOp

operand: Box<ExprNode>

Comparison

Comparison: left op right.

Fields

left: Box<ExprNode>

op: CmpOp

right: Box<ExprNode>

Logical

Logical connective: left op right.

Fields

left: Box<ExprNode>

op: LogicOp

right: Box<ExprNode>

FnCall

Function call: name(args...).

Fields

name: String

args: Vec<ExprNode>

Conditional

Conditional: if cond then then_expr else else_expr.

Fields

cond: Box<ExprNode>

then_expr: Box<ExprNode>

else_expr: Box<ExprNode>

Trait Implementations

impl Clone for ExprNode

fn clone(&self) -> ExprNode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ExprNode

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

Formats the value using the given formatter.