title: Visual studio 2017 go to implementation not work for .net standard library
body: <p>In Visual studio 2017, Go to Implementation for .net standard library not work?
  Go to Implementation for .net core library work fine. but for .net standard throw </p>
  
  <blockquote>
    <p>The symbol has no implementations</p>
  </blockquote>
  
  <p>How can I solve this problem?</p>