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<title>NSNull class reference</title>
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<a href="Base.html">Up</a>
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<h1><a name="title$NSNull">NSNull class reference</a></h1>
<h3>Authors</h3>
<dl>
<dt>Richard Frith-Macdonald (<a href="mailto:rfm@gnu.org"><code>rfm@gnu.org</code></a>)</dt>
<dd>
</dd>
</dl>
<p><b>Copyright:</b> (C) 2000 Free Software Foundation, Inc.</p>
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<h1><a name="001000000000">
Software documentation for the NSNull class
</a></h1>
<h2><a name="class$NSNull">NSNull</a> : <a rel="gsdoc" href="NSObject.html#class$NSObject">NSObject</a></h2>
<blockquote class="declared">
<dl>
<dt><b>Declared in:</b></dt>
<dd>Foundation/NSNull.h</dd>
</dl>
</blockquote>
<blockquote>
<dl>
<dt><b>Conforms to:</b></dt>
<dd><a rel="gsdoc" href="NSObject.html#protocol$(NSCoding)">NSCoding</a></dd>
<dd><a rel="gsdoc" href="NSObject.html#protocol$(NSCopying)">NSCopying</a></dd>
</dl>
</blockquote>
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
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<div class="desc">
An object to use as a placeholder - in collections for
instance.
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<b>Method summary</b>
<ul>
<li><a rel="gsdoc" href="NSNull.html#method$NSNull+null">+null</a></li>
</ul>
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<div class="method">
<h3><a name="method$NSNull+null">null </a></h3>
+ (<a rel="gsdoc" href="#class$NSNull">NSNull</a>*) <b>null</b>;<br />
<div class="availability">
<b>Availability:</b> MacOS-X 10.0.0</div>
<br />
<div class="desc">
Return an object that can be used as a placeholder
in a collection. This method always returns the same
object.
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<hr width="25%" align="left" />
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