Method constructor

src/ast.js:428–434

(operation, left, right)

export class Binary extends Expression {
  constructor(operation, left, right) {
    super();

    this.operation = operation;
    this.left = left;
    this.right = right;
  }

  evaluate(scope, lookupFunctions) {
    let left = this.left.evaluate(scope, lookupFunctions);