M000194.html in facets-0.7.2

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-  <title>distance (Interval)</title>
+  <title>degenerate? (Interval)</title>
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-  <pre><span class="ruby-comment cmt"># File lib/facet/interval.rb, line 162</span>
-  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">distance</span>
-    <span class="ruby-ivar">@last</span> <span class="ruby-operator">-</span> <span class="ruby-ivar">@first</span>
-    <span class="ruby-comment cmt">#if @last.respond_to?( :distance )</span>
-    <span class="ruby-comment cmt">#  @last.distance( @first )</span>
-    <span class="ruby-comment cmt">#else</span>
-    <span class="ruby-comment cmt">#  #self.to_a.length</span>
-    <span class="ruby-comment cmt">#end</span>
-  <span class="ruby-keyword kw">end</span></pre>
+  <pre><span class="ruby-comment cmt"># File lib/facet/interval.rb, line 112</span>
+  <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">degenerate?</span> ; <span class="ruby-ivar">@direction</span> <span class="ruby-operator">==</span> <span class="ruby-value">0</span> <span class="ruby-keyword kw">and</span> <span class="ruby-operator">!</span> (<span class="ruby-ivar">@exclusive_first</span> <span class="ruby-keyword kw">or</span> <span class="ruby-ivar">@exclusive_last</span>) ;  <span class="ruby-keyword kw">end</span></pre>
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