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Ruby

a simple example showing mixin in Ruby

# animal.rb
module Animal
  def walk
    puts 'walk'
  end
end

# dog.rb
class Dog
  include Animal
end

# main.rb
require 'animal'
require 'dog'

dog = Dog.new
dog.walk
https://snipt.net/embed/430e8c3646cf4519575e2f42f8aa8416/
/raw/430e8c3646cf4519575e2f42f8aa8416/
430e8c3646cf4519575e2f42f8aa8416
rb
Ruby
18
2019-08-23T14:05:27
True
False
False
/api/public/snipt/9200/
a-simple-example-showing-mixin-in-ruby
<table class="highlighttable"><tr><td class="linenos"><div class="linenodiv"><pre><a href="#L-1"> 1</a> <a href="#L-2"> 2</a> <a href="#L-3"> 3</a> <a href="#L-4"> 4</a> <a href="#L-5"> 5</a> <a href="#L-6"> 6</a> <a href="#L-7"> 7</a> <a href="#L-8"> 8</a> <a href="#L-9"> 9</a> <a href="#L-10">10</a> <a href="#L-11">11</a> <a href="#L-12">12</a> <a href="#L-13">13</a> <a href="#L-14">14</a> <a href="#L-15">15</a> <a href="#L-16">16</a> <a href="#L-17">17</a> <a href="#L-18">18</a></pre></div></td><td class="code"><div class="highlight"><pre><span></span><span id="L-1"><a name="L-1"></a><span class="c1"># animal.rb</span> </span><span id="L-2"><a name="L-2"></a><span class="k">module</span> <span class="nn">Animal</span> </span><span id="L-3"><a name="L-3"></a> <span class="k">def</span> <span class="nf">walk</span> </span><span id="L-4"><a name="L-4"></a> <span class="nb">puts</span> <span class="s1">&#39;walk&#39;</span> </span><span id="L-5"><a name="L-5"></a> <span class="k">end</span> </span><span id="L-6"><a name="L-6"></a><span class="k">end</span> </span><span id="L-7"><a name="L-7"></a> </span><span id="L-8"><a name="L-8"></a><span class="c1"># dog.rb</span> </span><span id="L-9"><a name="L-9"></a><span class="k">class</span> <span class="nc">Dog</span> </span><span id="L-10"><a name="L-10"></a> <span class="kp">include</span> <span class="no">Animal</span> </span><span id="L-11"><a name="L-11"></a><span class="k">end</span> </span><span id="L-12"><a name="L-12"></a> </span><span id="L-13"><a name="L-13"></a><span class="c1"># main.rb</span> </span><span id="L-14"><a name="L-14"></a><span class="nb">require</span> <span class="s1">&#39;animal&#39;</span> </span><span id="L-15"><a name="L-15"></a><span class="nb">require</span> <span class="s1">&#39;dog&#39;</span> </span><span id="L-16"><a name="L-16"></a> </span><span id="L-17"><a name="L-17"></a><span class="n">dog</span> <span class="o">=</span> <span class="no">Dog</span><span class="o">.</span><span class="n">new</span> </span><span id="L-18"><a name="L-18"></a><span class="n">dog</span><span class="o">.</span><span class="n">walk</span> </span></pre></div> </td></tr></table>
mixin, ruby