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19 <b>SaddCommand: Contents
</b><br> <a href=
"#SADD _key_ _member_">SADD _key_ _member_
</a><br> <a href=
"#Return value">Return value
</a>
22 <h1 class=
"wikiname">SaddCommand
</h1>
29 #sidebar
<a href=
"SetCommandsSidebar.html">SetCommandsSidebar
</a><h1><a name=
"SADD _key_ _member_">SADD _key_ _member_
</a></h1>
30 <i>Time complexity O(
1)
</i><blockquote>Add the specified
<i>member
</i> to the set value stored at
<i>key
</i>. If
<i>member
</i>is already a member of the set no operation is performed. If
<i>key
</i>does not exist a new set with the specified
<i>member
</i> as sole member iscrated. If the key exists but does not hold a set value an error isreturned.
</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 new element was added
33 0 if the element was already a member of the set