Range.html

---
title: Range
layout: default
---
<div class="main">
    <div class="banner">
        
            <span>Ruby on Rails 8.0.0</span><br />
        
        <div class="type">Class</div>
        <h1>
            Range
            
                <span class="parent">&lt;
                    
                    <a href="Object.html">Object</a>
                    
                </span>
            
        </h1>
        <ul class="files">
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/enumerable_rb.html">activesupport/lib/active_support/core_ext/enumerable.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/object/json_rb.html">activesupport/lib/active_support/core_ext/object/json.rb</a></li>
            
            <li><a href="../files/activesupport/lib/active_support/core_ext/range/overlap_rb.html">activesupport/lib/active_support/core_ext/range/overlap.rb</a></li>
            
        </ul>
    </div>
    <div id="bodyContent">
        <div id="content">
  

  

  
  


  

  
    <h2 id="methods">Methods</h2>
    <ul>
      
        <li>
          <a href="#method-i-_empty_range-3F">_empty_range?</a>
        </li>
      
        <li>
          <a href="#method-i-overlap-3F">overlap?</a>
        </li>
      
        <li>
          <a href="#method-i-overlaps-3F">overlaps?</a>
        </li>
      
    </ul>
  

  

  
    

    

    

    

    <!-- Methods -->
    
    
      <h2 id="instance-public-methods">Instance Public methods</h2>
      
        <div class="method">
          <h3 id="method-i-_empty_range-3F">
            
              _empty_range?(b, e, excl)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/range/overlap.rb, line 31
    def _empty_range?(b, e, excl)
      return false if b.nil? || e.nil?

      comp = b &lt;=&gt; e
      comp.nil? || comp &gt; 0 || (comp == 0 &amp;&amp; excl)
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/range/overlap.rb#L31" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-overlap-3F">
            
              overlap?(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          
            <div class="aka">
              Also aliased as: <a href="Range.html#method-i-overlaps-3F">overlaps?</a>
            </div>
          

          

          
          
            <details class="method__source">
              <summary>
                <span class="label">📝 Source code</span>
              </summary>

              <pre><code class="ruby"># File activesupport/lib/active_support/core_ext/range/overlap.rb, line 8
    def overlap?(other)
      raise TypeError unless other.is_a? Range

      self_begin = self.begin
      other_end = other.end
      other_excl = other.exclude_end?

      return false if _empty_range?(self_begin, other_end, other_excl)

      other_begin = other.begin
      self_end = self.end
      self_excl = self.exclude_end?

      return false if _empty_range?(other_begin, self_end, self_excl)
      return true if self_begin == other_begin

      return false if _empty_range?(self_begin, self_end, self_excl)
      return false if _empty_range?(other_begin, other_end, other_excl)

      true
    end</code></pre>
              
                <a href="https://github.com/rails/rails/blob/dd8f7185faeca6ee968a6e9367f6d8601a83b8db/activesupport/lib/active_support/core_ext/range/overlap.rb#L8" target="_blank" class="github_url">🔎 See on GitHub</a>
              
            </details>
          
        </div>
        
        <div class="method">
          <h3 id="method-i-overlaps-3F">
            
              overlaps?(other)
            
          </h3>

          
            <div class="description">
              
            </div>
          

          

          
            <div class="aka">
              Alias for: <a href="Range.html#method-i-overlap-3F">overlap?</a>
            </div>
          

          
          
        </div>
        
      
    
  
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