http://code.activestate.com/recipes/tags/null/views/2013-05-26T10:59:13-07:00ActiveState Code Recipes2008-11-11T15:24:20-08:00George Sakkishttp://code.activestate.com/recipes/users/2591466/http://code.activestate.com/recipes/576562-yet-another-null-object/

<p style="color: grey"> Python recipe 576562 by <a href="/recipes/users/2591466/">George Sakkis</a> (<a href="/recipes/tags/design_pattern/">design_pattern</a>, <a href="/recipes/tags/dummy/">dummy</a>, <a href="/recipes/tags/null/">null</a>). </p> <p>This recipe builds on two previously posted recipes for a <a href="http://code.activestate.com/recipes/68205/">null</a> or <a href="http://code.activestate.com/recipes/576447/">dummy</a> object by modifying a few methods (e.g. as in SQL, <code>Null == Null</code> is Null, not True), supporting most (all?) special methods (e.g. int(Null)) and providing correct pickling/unpickling.</p>

2013-05-26T10:59:13-07:00Joe Smithhttp://code.activestate.com/recipes/users/4168055/http://code.activestate.com/recipes/577019-null-null/

<p style="color: grey"> C recipe 577019 by <a href="/recipes/users/4168055/">Joe Smith</a> (<a href="/recipes/tags/null/">null</a>). Revision 2. </p> <p>null null</p>

2013-05-26T10:56:38-07:00Joe Smithhttp://code.activestate.com/recipes/users/4168055/http://code.activestate.com/recipes/576565-null-null/

<p style="color: grey"> C++ recipe 576565 by <a href="/recipes/users/4168055/">Joe Smith</a> (<a href="/recipes/tags/null/">null</a>). Revision 2. </p> <p>null</p>

2013-05-26T10:55:07-07:00Joe Smithhttp://code.activestate.com/recipes/users/4168055/http://code.activestate.com/recipes/577240-null-null/

<p style="color: grey"> Python recipe 577240 by <a href="/recipes/users/4168055/">Joe Smith</a> (<a href="/recipes/tags/null/">null</a>). Revision 4. </p> <p>null null null</p>

2013-05-26T10:55:59-07:00Joe Smithhttp://code.activestate.com/recipes/users/4168055/http://code.activestate.com/recipes/577239-null/

<p style="color: grey"> C recipe 577239 by <a href="/recipes/users/4168055/">Joe Smith</a> (<a href="/recipes/tags/null/">null</a>). Revision 2. </p> <p>null null</p>