13 lines
6.4 KiB
HTML
13 lines
6.4 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd" >
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<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
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<title>at ( key assoc -- value/f )</title>
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</style>
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</head>
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<body><span style="color: #333333; font-family: sans-serif; font-style: normal; font-weight: bold; font-size: 20pt; "><div style="background-color: #f3f2ea; padding: 5px 5px; "><a href="word-at%2Cassocs.html">at ( key assoc -- value/f )</a><span style="font-size: 10pt; "><br/><span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="article-handbook.html">Factor handbook</a></span> > <span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="article-handbook-language-reference.html">The language</a></span> > <span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="article-collections.html">Collections</a></span> > <span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="article-assocs.html">Associative mapping operations</a></span> > <span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="article-assocs-lookup.html">Lookup and querying of assocs</a></span><br/><table><tr><td valign="top" style="border: 1px solid #f3f2ea; padding: 2px; border-collapse: collapse;">Prev:</td><td valign="top" style="border: 1px solid #f3f2ea; padding: 2px; border-collapse: collapse;"><span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="word-key__que__%2Cassocs.html">key? ( key assoc -- ? )</a></span></td></tr><tr><td valign="top" style="border: 1px solid #f3f2ea; padding: 2px; border-collapse: collapse;">Next:</td><td valign="top" style="border: 1px solid #f3f2ea; padding: 2px; border-collapse: collapse;"><span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="word-__que__at%2Cassocs.html">?at ( key assoc -- value/key ? )</a></span></td></tr></table></span></div></span><br/><span style="font-family: sans-serif; font-style: normal; font-weight: normal; font-size: 12pt; "><span style="color: #373e48; font-family: sans-serif; font-style: normal; font-weight: bold; font-size: 16pt; ">Vocabulary</span><br/><span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="vocab-assocs.html">assocs</a></span><br/><br/><span style="color: #373e48; font-family: sans-serif; font-style: normal; font-weight: bold; font-size: 16pt; ">Inputs and outputs</span><br/><table><tr><td valign="top" style="border: 1px solid #e3e2db; padding: 2px; border-collapse: collapse;"><span style="color: #8b4500; font-family: monospace; font-size: 12pt; ">key</span></td><td valign="top" style="border: 1px solid #e3e2db; padding: 2px; border-collapse: collapse;">an object</td></tr><tr><td valign="top" style="border: 1px solid #e3e2db; padding: 2px; border-collapse: collapse;"><span style="color: #8b4500; font-family: monospace; font-size: 12pt; ">assoc</span></td><td valign="top" style="border: 1px solid #e3e2db; padding: 2px; border-collapse: collapse;">an <span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="word-assoc%2Cassocs.html">assoc</a></span></td></tr><tr><td valign="top" style="border: 1px solid #e3e2db; padding: 2px; border-collapse: collapse;"><span style="color: #8b4500; font-family: monospace; font-size: 12pt; ">value/f</span></td><td valign="top" style="border: 1px solid #e3e2db; padding: 2px; border-collapse: collapse;">the value associated to the key, or <span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="word-f%2Csyntax.html">f</a></span> if the key is not present in the assoc</td></tr></table><br/><br/><span style="color: #373e48; font-family: sans-serif; font-style: normal; font-weight: bold; font-size: 16pt; ">Word description</span><br/>Looks up the value associated with a key. This word makes no distinction between a missing value and a value set to <span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="word-f%2Csyntax.html">f</a></span>; if the difference is important, use <span style="color: #104e8b; font-style: normal; font-weight: bold; "><a href="word-at__star__%2Cassocs.html">at*</a></span>.<br/><br/><span style="color: #373e48; font-family: sans-serif; font-style: norm
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</html>
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