title: Internal packages in Go
body: <p>How to import internals packages in Go ?</p>
  
  <pre><code>import (
  
      "runtime/internal/atomic"
      "runtime/internal/sys"
  )
  </code></pre>
  
  <p>Like this without get a error:</p>
  
  <blockquote>
    <p>imports runtime/internal/atomic: use of internal package not allowed</p>
  </blockquote>
  
  <p>And use internal funcs in a main package ?</p>