title: How can i find a key name of value from the dictionary in swift?
body: <p>i am trying to find a key name of particular value of dictionary without any kind of loop. I can get key name of "S" but when the "SE" i found then i am not able to find the key name of "SE". here is my Dictionary </p>
  
  <pre><code>dictionary {
      East = S;
      North =     (
          NE,
          E,
          SE
      );
      south =     (
          SW,
          W,
          NW
      );
      west = N;
  }
  </code></pre>