Method createNode

src/maths/ASTNode.js:46–53

(type, left, right)

    */

    static createNode(type, left, right) {
        const node = new ASTNode();
        node.type = type;
        node.left = left;
        node.right = right;

        return node;
    }

    static createUnaryNode(left) {
        const node = new ASTNode();