doc/SismemberCommand.html

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  19 <b>SismemberCommand: Contents</b><br>&nbsp;&nbsp;<a href="#SISMEMBER _key_ _member_">SISMEMBER _key_ _member_</a><br>&nbsp;&nbsp;&nbsp;&nbsp;<a href="#Return value">Return value</a><br>&nbsp;&nbsp;&nbsp;&nbsp;<a href="#See also">See also</a>
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  22                 <h1 class="wikiname">SismemberCommand</h1>
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  29                     <h1><a name="SISMEMBER _key_ _member_">SISMEMBER _key_ _member_</a></h1>
  30 <i>Time complexity O(1)</i><blockquote>Return 1 if <i>member</i> is a member of the set stored at <i>key</i>, otherwise0 is returned. On error a negative value is returned. Client librariesshould raise an error when a negative value is returned instead to passthe value to the caller.</blockquote>
  31 <h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Integer reply</a>, specifically:<br/><br/><pre class="codeblock python" name="code">
  32 1 if the element is a member of the set
  33 0 if the element is not a member of the set OR if the key does not exist
  34 -2 if the key does not hold a set value
  35 </pre><h2><a name="See also">See also</a></h2>
  36 <ul><li> <a href="SremCommand.html">SREM</a></li><li> <a href="SismemberCommand.html">SISMEMBER</a></li><li> <a href="ScardCommand.html">SCARD</a></li><li> <a href="SmembersCommand.html">SMEMBERS</a></li><li> <a href="SinterCommand.html">SINTER</a></li><li> <a href="SinterstoreCommand.html">SINTERSTORE</a></li></ul>
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