title: Does string("abc") return anything?
body: <p>like this:</p>
  
  <pre><code>#include &lt;iostream&gt;
  using namespace std;
  int main()
  {
      if ( string( "abc" ).size() == 3 )
          cout &lt;&lt; "equ." &lt;&lt; endl;
      return 0;
  }
  </code></pre>
  
  <p>Does <code>string("abc")</code> return anything? If it does, that's a value or a reference?</p>