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		<title>C# Extension method, GetValueOrNull for value type object</title>
		<link>http://www.codemeit.com/code-collection/c-extension-method-getvalueornull.html</link>
		<comments>http://www.codemeit.com/code-collection/c-extension-method-getvalueornull.html#comments</comments>
		<pubDate>Tue, 11 Mar 2008 23:37:21 +0000</pubDate>
		<dc:creator>admin</dc:creator>
				<category><![CDATA[Code Notes]]></category>
		<category><![CDATA[C#]]></category>
		<category><![CDATA[C# Generic]]></category>
		<category><![CDATA[Extension Method]]></category>
		<category><![CDATA[null]]></category>

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		<description><![CDATA[Return null if the value type object has default value. public static T? GetValueOrNull&#60;t&#62;&#40; this T value &#41; where T : struct &#123; &#160; &#160;if&#40; value.Equals&#40; default&#40; T &#41; &#41; &#41; &#160; &#160; &#160; return new Nullable&#60;t&#62;&#40;&#41;; &#160; &#160;else &#160; &#160; &#160; return value; &#125; // Usage int i = default&#40;int&#41;; //0 int? i = [...]]]></description>
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