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<head><title>. -- access to elements whose key is a symbol</title>
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<div><a href="index.html" title="">Macaulay2Doc</a> > <a href="___The_sp__Macaulay2_splanguage.html" title="">The Macaulay2 language</a> > <a href="_operators.html" title="">operators</a> > <a href="_..html" title="access to elements whose key is a symbol">.</a></div>
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<div><h1>. -- access to elements whose key is a symbol</h1>
<div class="single"><h2>Description</h2>
<div><tt>x.k</tt> -- the same as <tt>x#(global k)</tt>, i.e., treat <tt>k</tt> as a global symbol and provide the value stored in the hash table <tt>x</tt> under the key <tt>k</tt>.<p/>
May also be used in an assignment.<p/>
<table class="examples"><tr><td><pre>i1 : x = new MutableHashTable;</pre>
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<tr><td><pre>i2 : x.k = 444
o2 = 444</pre>
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<tr><td><pre>i3 : x.k
o3 = 444</pre>
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<tr><td><pre>i4 : peek x
o4 = MutableHashTable{k => 444}</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="__sh.html" title="length, or access to elements">#</a> -- length, or access to elements</span></li>
<li><span><a href="_._qu.html" title="check for presence of elements whose key is a symbol">.?</a> -- check for presence of elements whose key is a symbol</span></li>
<li><span><a href="_global.html" title="get a global symbol">global</a> -- get a global symbol</span></li>
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<div class="waystouse"><h2>For the programmer</h2>
<p>The object <a href="_..html" title="access to elements whose key is a symbol">.</a> is <span>a <a href="___Keyword.html">keyword</a></span>.</p>
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