title: How to remove duplicates from std::vector <std::pair<UnicodeString, UnicodeString> >
body: <p>how to remove duplicate values from</p>
  
  <pre><code>std::vector &lt;std::pair&lt;UnicodeString, UnicodeString&gt; &gt; myVect;
  </code></pre>
  
  <p>Is there any built in function or i need to write a custom code for this</p>