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19 | <b>SrandmemberCommand: Contents</b><br> <a href="#SRANDMEMBER _key_">SRANDMEMBER _key_</a><br> <a href="#Return value">Return value</a> |
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22 | <h1 class="wikiname">SrandmemberCommand</h1> |
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29 | #sidebar <a href="SetCommandsSidebar.html">SetCommandsSidebar</a><h1><a name="SRANDMEMBER _key_">SRANDMEMBER _key_</a></h1> |
30 | <i>Time complexity O(1)</i><blockquote>Return a random element from a Set, without removing the element. If the Set is empty or the key does not exist, a nil object is returned.</blockquote> |
31 | <blockquote>The <a href="SpopCommand.html">SPOP</a> command does a similar work but the returned elementis popped (removed) from the Set.</blockquote> |
32 | <h2><a name="Return value">Return value</a></h2><a href="ReplyTypes.html">Bulk reply</a> |
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