title: Get list of a class' instance methods
body: <p>I have a class:</p>
  
  <pre><code>class TestClass
    def method1
    end
  
    def method2
    end
  
    def method3
    end
  end
  </code></pre>
  
  <p>How can I get a list of my methods in this class (<code>method1</code>, <code>method2</code>, <code>method3</code>)?</p>