Method addPostfixExpression

www/js/_hyperscript.js:1656–1659

(name, definition)

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