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| <a name="compatibility_005falias-1"></a> |
| <h3 class="section">8.6 <code>compatibility_alias</code></h3> |
| |
| <p>The keyword <code>@compatibility_alias</code> allows you to define a class name |
| as equivalent to another class name. For example: |
| </p> |
| <div class="smallexample"> |
| <pre class="smallexample">@compatibility_alias WOApplication GSWApplication; |
| </pre></div> |
| |
| <p>tells the compiler that each time it encounters <code>WOApplication</code> as |
| a class name, it should replace it with <code>GSWApplication</code> (that is, |
| <code>WOApplication</code> is just an alias for <code>GSWApplication</code>). |
| </p> |
| <p>There are some constraints on how this can be used— |
| </p> |
| <ul> |
| <li> <code>WOApplication</code> (the alias) must not be an existing class; |
| |
| </li><li> <code>GSWApplication</code> (the real class) must be an existing class. |
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