title: How to make one side circular border of widget with flutter?
body: <p>I'm trying to build one side circular border with Container widget in flutter.
  I have searched for it but can't get any solution. </p>
  
  <pre class="lang-dart prettyprint-override"><code>Container(
    width: 150.0,
    padding: const EdgeInsets.all(20.0),
    decoration: BoxDecoration(
      // borderRadius: BorderRadius.circular(30.0),
      /* border: Border(
        left: BorderSide()
      ),*/
    color: Colors.white
    ),
    child: Text("hello"),
  ),
  </code></pre>