[redis.git] / doc / SismemberCommand.html


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<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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                <h1 class="wikiname">SismemberCommand</h1>

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                    <h1><a name="SISMEMBER _key_ _member_">SISMEMBER _key_ _member_</a></h1>
<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>
<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">
1 if the element is a member of the set
0 if the element is not a member of the set OR if the key does not exist
-2 if the key does not hold a set value
</pre><h2><a name="See also">See also</a></h2>
<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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	2	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN">
	3	<html>
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	5	<link type="text/css" rel="stylesheet" href="style.css" />
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	7	<body>
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	18	<!-- This is a (PRE) block. Make sure it's left aligned or your toc title will be off. -->
	19	<b>SismemberCommand: Contents</b><br>  <a href="#SISMEMBER _key_ _member_">SISMEMBER _key_ _member_</a><br>    <a href="#Return value">Return value</a><br>    <a href="#See also">See also</a>
	20	</div>
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	22	<h1 class="wikiname">SismemberCommand</h1>
	23
	24	<div class="summary">
	25
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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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