title: C++ Primer Lippman 5th exercise 2.27 b
body: <p>C++ Primer exercise 2.27  5th ed.<br>
  Exercise: Which of the following initializations are legal? Explain why.</p>
  
  <p>(b) <code>int *const p2 = &amp;i2;</code></p>
  
  <p>This is legal according to:
  <a href="https://github.com/Mooophy/Cpp-Primer/tree/master/ch02#exercise-227" rel="nofollow noreferrer">https://github.com/Mooophy/Cpp-Primer/tree/master/ch02#exercise-227</a></p>
  
  <p>I don't see where <code>i2</code> has been declared?
  (I've looked at the errata also.)</p>