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<title>Class: Lisp::DottedPair</title>
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<td><strong>Class</strong></td>
<td class="class-name-in-header">Lisp::DottedPair</td>
</tr>
<tr class="top-aligned-row">
<td><strong>In:</strong></td>
<td>
<a href="../../files/lib/carat/lisp_rb.html">
lib/carat/lisp.rb
</a>
<br />
</td>
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<tr class="top-aligned-row">
<td><strong>Parent:</strong></td>
<td>
<a href="../Object.html">
Object
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<div id="description">
<p>
<a href="DottedPair.html">DottedPair</a>
</p>
</div>
</div>
<div id="method-list">
<h3 class="section-bar">Methods</h3>
<div class="name-list">
<a href="#M000554">==</a>
<a href="#M000549">[]</a>
<a href="#M000550">each</a>
<a href="#M000552">inspect</a>
<a href="#M000548">new</a>
<a href="#M000555">repr</a>
<a href="#M000553">to_a</a>
<a href="#M000551">to_s</a>
</div>
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<!-- if includes -->
<div id="includes">
<h3 class="section-bar">Included Modules</h3>
<div id="includes-list">
<span class="include-name"><a href="../Lisp.html">Lisp</a></span>
<span class="include-name">Enumerable</span>
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<div id="section">
<div id="attribute-list">
<h3 class="section-bar">Attributes</h3>
<div class="name-list">
<table>
<tr class="top-aligned-row context-row">
<td class="context-item-name">first</td>
<td class="context-item-value"> [RW] </td>
<td class="context-item-desc"></td>
</tr>
<tr class="top-aligned-row context-row">
<td class="context-item-name">second</td>
<td class="context-item-value"> [RW] </td>
<td class="context-item-desc"></td>
</tr>
</table>
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<!-- if method_list -->
<div id="methods">
<h3 class="section-bar">Public Class methods</h3>
<div id="method-M000549" class="method-detail">
<a name="M000549"></a>
<div class="method-heading">
<a href="#M000549" class="method-signature">
<span class="method-name">[]</span><span class="method-args">(*array)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000549-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000549-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/lisp.rb, line 61</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-constant">DottedPair</span>.<span class="ruby-operator">[]</span>(<span class="ruby-operator">*</span><span class="ruby-identifier">array</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">array</span>.<span class="ruby-identifier">empty?</span>
<span class="ruby-keyword kw">nil</span>
<span class="ruby-keyword kw">else</span>
<span class="ruby-constant">DottedPair</span>.<span class="ruby-identifier">new</span>(<span class="ruby-identifier">array</span>.<span class="ruby-identifier">shift</span>, <span class="ruby-constant">DottedPair</span>[<span class="ruby-operator">*</span><span class="ruby-identifier">array</span>])
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000548" class="method-detail">
<a name="M000548"></a>
<div class="method-heading">
<a href="#M000548" class="method-signature">
<span class="method-name">new</span><span class="method-args">(first = nil, second = nil)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000548-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000548-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/lisp.rb, line 55</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">initialize</span>(<span class="ruby-identifier">first</span> = <span class="ruby-keyword kw">nil</span>, <span class="ruby-identifier">second</span> = <span class="ruby-keyword kw">nil</span>)
<span class="ruby-ivar">@first</span>, <span class="ruby-ivar">@second</span> = <span class="ruby-identifier">first</span>, <span class="ruby-identifier">second</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Public Instance methods</h3>
<div id="method-M000554" class="method-detail">
<a name="M000554"></a>
<div class="method-heading">
<a href="#M000554" class="method-signature">
<span class="method-name">==</span><span class="method-args">(other)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000554-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000554-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/lisp.rb, line 100</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-operator">==</span>(<span class="ruby-identifier">other</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">pair?</span>(<span class="ruby-keyword kw">self</span>) <span class="ruby-keyword kw">and</span> <span class="ruby-identifier">pair?</span>(<span class="ruby-identifier">other</span>)
<span class="ruby-identifier">car</span>(<span class="ruby-keyword kw">self</span>) <span class="ruby-operator">==</span> <span class="ruby-identifier">car</span>(<span class="ruby-identifier">other</span>) <span class="ruby-keyword kw">and</span> <span class="ruby-identifier">cdr</span>(<span class="ruby-keyword kw">self</span>) <span class="ruby-operator">==</span> <span class="ruby-identifier">cdr</span>(<span class="ruby-identifier">other</span>)
<span class="ruby-keyword kw">else</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">pair?</span>(<span class="ruby-keyword kw">self</span>) <span class="ruby-keyword kw">then</span> <span class="ruby-keyword kw">false</span> <span class="ruby-keyword kw">else</span> <span class="ruby-keyword kw">self</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">other</span> <span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000550" class="method-detail">
<a name="M000550"></a>
<div class="method-heading">
<a href="#M000550" class="method-signature">
<span class="method-name">each</span><span class="method-args">(&block)</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000550-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000550-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/lisp.rb, line 69</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">each</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
<span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@first</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@first</span>.<span class="ruby-identifier">is_a?</span> <span class="ruby-constant">DottedPair</span>
<span class="ruby-ivar">@first</span>.<span class="ruby-identifier">each</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">block</span>.<span class="ruby-identifier">call</span>(<span class="ruby-ivar">@first</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@second</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-ivar">@second</span>.<span class="ruby-identifier">is_a?</span> <span class="ruby-constant">DottedPair</span>
<span class="ruby-ivar">@second</span>.<span class="ruby-identifier">each</span>(<span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">block</span>.<span class="ruby-identifier">call</span>(<span class="ruby-ivar">@second</span>)
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000552" class="method-detail">
<a name="M000552"></a>
<div class="method-heading">
<a href="#M000552" class="method-signature">
<span class="method-name">inspect</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000552-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000552-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/lisp.rb, line 90</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">inspect</span>
<span class="ruby-value str">'('</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">repr</span> <span class="ruby-operator">+</span> <span class="ruby-value str">')'</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000553" class="method-detail">
<a name="M000553"></a>
<div class="method-heading">
<a href="#M000553" class="method-signature">
<span class="method-name">to_a</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000553-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000553-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/lisp.rb, line 94</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">to_a</span>
<span class="ruby-identifier">a</span> = []
<span class="ruby-identifier">each</span> { <span class="ruby-operator">|</span><span class="ruby-identifier">e</span><span class="ruby-operator">|</span> <span class="ruby-identifier">a</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">e</span> }
<span class="ruby-identifier">a</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<div id="method-M000551" class="method-detail">
<a name="M000551"></a>
<div class="method-heading">
<a href="#M000551" class="method-signature">
<span class="method-name">to_s</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000551-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000551-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/lisp.rb, line 86</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">to_s</span>
<span class="ruby-value str">'('</span> <span class="ruby-operator">+</span> <span class="ruby-identifier">repr</span> <span class="ruby-operator">+</span> <span class="ruby-value str">')'</span>
<span class="ruby-keyword kw">end</span>
</pre>
</div>
</div>
</div>
<h3 class="section-bar">Protected Instance methods</h3>
<div id="method-M000555" class="method-detail">
<a name="M000555"></a>
<div class="method-heading">
<a href="#M000555" class="method-signature">
<span class="method-name">repr</span><span class="method-args">()</span>
</a>
</div>
<div class="method-description">
<p><a class="source-toggle" href="#"
onclick="toggleCode('M000555-source');return false;">[Source]</a></p>
<div class="method-source-code" id="M000555-source">
<pre>
<span class="ruby-comment cmt"># File lib/carat/lisp.rb, line 110</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">repr</span>
<span class="ruby-keyword kw">case</span> <span class="ruby-ivar">@second</span>
<span class="ruby-keyword kw">when</span> <span class="ruby-constant">DottedPair</span> <span class="ruby-keyword kw">then</span> <span class="ruby-ivar">@first</span>.<span class="ruby-identifier">to_s</span> <span class="ruby-operator">+</span> <span class="ruby-value str">' '</span> <span class="ruby-operator">+</span> <span class="ruby-ivar">@second</span>.<span class="ruby-identifier">repr</span>
<span class="ruby-keyword kw">when</span> <span class="ruby-keyword kw">nil</span> <span class="ruby-keyword kw">then</span> <span class="ruby-ivar">@first</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-keyword kw">else</span> <span class="ruby-ivar">@first</span>.<span class="ruby-identifier">to_s</span> <span class="ruby-operator">+</span> <span class="ruby-value str">' . '</span> <span class="ruby-operator">+</span> <span class="ruby-ivar">@second</span>.<span class="ruby-identifier">to_s</span>
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">end</span>
</pre>
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