Method addPostfixExpression

src/core/kernel.js:366–369

(name, definition)

    }

    addPostfixExpression(name, definition) {
        this.#postfixExpressions.push(name);
        this.addGrammarElement(name, definition);
    }

    addUnaryExpression(name, definition) {
        this.#unaryExpressions.push(name);