title: Any way to initialize a vector of unique_ptr?
body: <p>For example</p>
  
  <pre><code>struct A
  {
      vector&lt;unique_ptr&lt;int&gt;&gt; m_vector { make_unique&lt;int&gt;(1), make_unique&lt;int&gt;(2) };
  };
  </code></pre>
  
  <p>I try above but failed. Any way to initialize a vector of unique_ptr?</p>