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<head><title>use(Package) -- activate a previously dismissed package</title>
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<div><h1>use(Package) -- activate a previously dismissed package</h1>
<div class="single"><h2>Synopsis</h2>
<ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>use PACKAGENAME</tt></div>
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<li><span>Function: <a href="_use.html" title="install or activate object">use</a></span></li>
<li><div class="single">Inputs:<ul><li><span><tt>PACKAGENAME</tt>, <span>a <a href="___Package.html">package</a></span>, which was previously loaded, and then dismissed.</span></li>
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<li><div class="single">Consequences:<ul><li>activates the package, making all of its exported symbols visible</li>
<li>runs the function stored under the key </li>
<li><tt>symbol use</tt></li>
<li> in the package, if there is one</li>
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<div class="single"><h2>Description</h2>
<div>This function is only necessary after dismissing a package.<table class="examples"><tr><td><pre>i1 : loadPackage "FirstPackage"
o1 = FirstPackage
o1 : Package</pre>
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<tr><td><pre>i2 : firstFunction
o2 = firstFunction
o2 : MethodFunction</pre>
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<tr><td><pre>i3 : dismiss FirstPackage
o3 = FirstPackage
o3 : Package</pre>
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<tr><td><pre>i4 : firstFunction
o4 = firstFunction
o4 : Symbol</pre>
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<tr><td><pre>i5 : use FirstPackage</pre>
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<tr><td><pre>i6 : firstFunction
o6 = firstFunction
o6 : MethodFunction</pre>
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<div class="single"><h2>See also</h2>
<ul><li><span><a href="_load__Package.html" title="load a package">loadPackage</a> -- load a package</span></li>
<li><span><a href="_dismiss.html" title="dismiss a package">dismiss(Package)</a> -- dismiss a package</span></li>
<li><span><a href="../../FirstPackage/html/index.html" title="an example Macaulay2 package">FirstPackage</a> -- an example Macaulay2 package</span></li>
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