title: Pass borderRadius to react-native
body: <p>How would I pass a <code>borderRadius</code> which is taken from plain <code>CSS</code> like</p>
  
  <pre><code>border-radius: 50% 50% 4px 50%
  </code></pre>
  
  <p>to <code>react-native</code>?</p>
  
  <p>I tried</p>
  
  <pre><code>borderRadius: "50% 50% 4px 50%"
  </code></pre>
  
  <p>but that gave me</p>
  
  <blockquote>
    <p>expected dynamic type double, but had type string</p>
  </blockquote>