Enum AstNode 

pub enum AstNode {
    Literal(Value),
    Variable(String),
    Unary {
        op: UnaryOp,
        expr: Box<AstNode>,
    },
    Binary {
        op: BinaryOp,
        left: Box<AstNode>,
        right: Box<AstNode>,
    },
    Ternary {
        cond: Box<AstNode>,
        then_expr: Box<AstNode>,
        else_expr: Box<AstNode>,
    },
    FnCall {
        name: String,
        args: Vec<AstNode>,
    },
}

Parsed GenApi formula represented as an abstract syntax tree.

Variants

Literal(Value)

Numeric literal.

Variable(String)

Variable lookup resolved at evaluation time.

Unary

Unary operator applied to a sub-expression.

Fields

op: UnaryOp

Operator kind.

expr: Box<AstNode>

Operand expression.

Binary

Binary operator combining two sub-expressions.

Fields

op: BinaryOp

Operator kind.

left: Box<AstNode>

Left-hand side operand.

right: Box<AstNode>

Right-hand side operand.

Ternary

Ternary conditional: condition ? then_expr : else_expr.

Fields

cond: Box<AstNode>

Condition expression (non-zero is truthy).

then_expr: Box<AstNode>

Expression evaluated when condition is truthy.

else_expr: Box<AstNode>

Expression evaluated when condition is falsy.

FnCall

Function call with arguments.

Fields

name: String

Function name.

args: Vec<AstNode>

Arguments to the function.

Trait Implementations

impl Clone for AstNode

fn clone(&self) -> AstNode

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for AstNode

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

Formats the value using the given formatter.