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Class: Sass::Tree::Visitors::Base
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— Documentation by YARD 0.9.12
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<a href="../../../_index.html">Index (B)</a> »
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<span class='title'><span class='object_link'><a href="../../../Sass.html" title="Sass (module)">Sass</a></span></span> » <span class='title'><span class='object_link'><a href="../../Tree.html" title="Sass::Tree (module)">Tree</a></span></span> » <span class='title'><span class='object_link'><a href="../Visitors.html" title="Sass::Tree::Visitors (module)">Visitors</a></span></span>
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»
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<span class="title">Base</span>
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<div class="noframes"><span class="title">(</span><a href="." target="_top">no frames</a><span class="title">)</span></div>
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<div id="content"><h1>Class: Sass::Tree::Visitors::Base
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<span class="abstract note title">Abstract</span>
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</h1>
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<dl class="box">
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<dt class="r1">Inherits:</dt>
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<dd class="r1">
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<span class="inheritName">Object</span>
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<ul class="fullTree">
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<li>Object</li>
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<li class="next">Sass::Tree::Visitors::Base</li>
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</ul>
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<a href="#" class="inheritanceTree">show all</a>
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</dd>
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<dt class="r2 last">Defined in:</dt>
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<dd class="r2 last">.ruby-sass/lib/sass/tree/visitors/base.rb</dd>
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</dl>
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<div class="clear"></div>
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<h2>Overview</h2><div class="docstring">
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<div class="discussion">
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<div class="note abstract">
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<strong>This class is abstract.</strong>
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<div class='inline'></div>
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</div>
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<p>The abstract base class for Sass visitors. Visitors should extend this
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class, then implement `visit_*` methods for each node they care about (e.g.
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`visit_rule` for <span class='object_link'><a href="../RuleNode.html" title="Sass::Tree::RuleNode (class)">RuleNode</a></span> or `visit_for` for <span class='object_link'><a href="../ForNode.html" title="Sass::Tree::ForNode (class)">ForNode</a></span>). These methods
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take the node in question as argument. They may `yield` to visit the child
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nodes of the current node.</p>
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<p><strong>Note</strong>: due to the unusual nature of <span class='object_link'><a href="../IfNode.html" title="Sass::Tree::IfNode (class)">IfNode</a></span>,
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special care must be taken to ensure that it is properly handled. In
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particular, there is no built-in scaffolding for dealing with the return
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value of `@else` nodes.</p>
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</div>
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</div>
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<div class="tags">
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</div><div id="subclasses">
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<h2>Direct Known Subclasses</h2>
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<p class="children"><span class='object_link'><a href="CheckNesting.html" title="Sass::Tree::Visitors::CheckNesting (class)">CheckNesting</a></span>, <span class='object_link'><a href="Convert.html" title="Sass::Tree::Visitors::Convert (class)">Convert</a></span>, <span class='object_link'><a href="Cssize.html" title="Sass::Tree::Visitors::Cssize (class)">Cssize</a></span>, <span class='object_link'><a href="DeepCopy.html" title="Sass::Tree::Visitors::DeepCopy (class)">DeepCopy</a></span>, <span class='object_link'><a href="Extend.html" title="Sass::Tree::Visitors::Extend (class)">Extend</a></span>, <span class='object_link'><a href="Perform.html" title="Sass::Tree::Visitors::Perform (class)">Perform</a></span>, <span class='object_link'><a href="SetOptions.html" title="Sass::Tree::Visitors::SetOptions (class)">SetOptions</a></span>, <span class='object_link'><a href="ToCss.html" title="Sass::Tree::Visitors::ToCss (class)">ToCss</a></span></p>
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</div>
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<div id="subclasses">
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<h2>Direct Known Subclasses</h2>
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<p class="children"><span class='object_link'><a href="CheckNesting.html" title="Sass::Tree::Visitors::CheckNesting (class)">CheckNesting</a></span>, <span class='object_link'><a href="Convert.html" title="Sass::Tree::Visitors::Convert (class)">Convert</a></span>, <span class='object_link'><a href="Cssize.html" title="Sass::Tree::Visitors::Cssize (class)">Cssize</a></span>, <span class='object_link'><a href="DeepCopy.html" title="Sass::Tree::Visitors::DeepCopy (class)">DeepCopy</a></span>, <span class='object_link'><a href="Extend.html" title="Sass::Tree::Visitors::Extend (class)">Extend</a></span>, <span class='object_link'><a href="Perform.html" title="Sass::Tree::Visitors::Perform (class)">Perform</a></span>, <span class='object_link'><a href="SetOptions.html" title="Sass::Tree::Visitors::SetOptions (class)">SetOptions</a></span>, <span class='object_link'><a href="ToCss.html" title="Sass::Tree::Visitors::ToCss (class)">ToCss</a></span></p>
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</div>
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<h2>
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Class Method Summary
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<small>(<a href="#" class="summary_toggle">collapse</a>)</small>
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</h2>
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<ul class="summary">
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<li class="public ">
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<span class="summary_signature">
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<a href="#visit-class_method" title="visit (class method)">.<strong>visit</strong>(root) ⇒ Object </a>
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</span>
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<span class="summary_desc"><div class='inline'>
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<p>Runs the visitor on a tree.</p>
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</div></span>
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</li>
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</ul>
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<div id="class_method_details" class="method_details_list">
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<h2>Class Method Details</h2>
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<div class="method_details first">
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<h3 class="signature first" id="visit-class_method">
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.<strong>visit</strong>(root) ⇒ <tt>Object</tt>
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</h3><div class="docstring">
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<div class="discussion">
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<p>Runs the visitor on a tree.</p>
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</div>
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</div>
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<div class="tags">
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<p class="tag_title">Parameters:</p>
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<ul class="param">
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<li>
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<span class='name'>root</span>
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<span class='type'>(<tt><span class='object_link'><a href="../Node.html" title="Sass::Tree::Node (class)">Tree::Node</a></span></tt>)</span>
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—
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<div class='inline'>
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<p>The root node of the Sass tree.</p>
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</div>
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</li>
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</ul>
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<p class="tag_title">Returns:</p>
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<ul class="return">
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<li>
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<span class='type'>(<tt>Object</tt>)</span>
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—
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<div class='inline'>
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<p>The return value of <span class='object_link'>#visit</span> for the root node.</p>
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</div>
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</li>
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</ul>
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</div><table class="source_code">
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<tr>
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<td>
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<pre class="lines">
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23
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24
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25</pre>
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</td>
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<td>
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<pre class="code"><span class="info file"># File '.ruby-sass/lib/sass/tree/visitors/base.rb', line 23</span>
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<span class='kw'>def</span> <span class='kw'>self</span><span class='period'>.</span><span class='id identifier rubyid_visit'>visit</span><span class='lparen'>(</span><span class='id identifier rubyid_root'><span class='object_link'><a href="../../../top-level-namespace.html" title="Top Level Namespace (root)">root</a></span></span><span class='rparen'>)</span>
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<span class='id identifier rubyid_new'>new</span><span class='period'>.</span><span class='id identifier rubyid_send'>send</span><span class='lparen'>(</span><span class='symbol'>:visit</span><span class='comma'>,</span> <span class='id identifier rubyid_root'><span class='object_link'><a href="../../../top-level-namespace.html" title="Top Level Namespace (root)">root</a></span></span><span class='rparen'>)</span>
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<span class='kw'>end</span></pre>
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</td>
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</tr>
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</table>
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</div>
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</div>
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</div>
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<div id="footer">
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Generated on Mon Oct 22 13:20:59 2018 by
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<a href="http://yardoc.org" title="Yay! A Ruby Documentation Tool" target="_parent">yard</a>
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0.9.12 (ruby-2.5.3).
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