Pastable version of Given a hash of variables, render an ERB template

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            <pre class="sunburst"><span style="color:#E28964;">require</span> <span style="color:#65B042;"><span style="color:#65B042;">'</span>erb<span style="color:#65B042;">'</span></span>

<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span> GOAL: render the template with the following vars</span>
vars <span style="color:#E28964;">=</span> { <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>first</span> =&gt; <span style="color:#65B042;"><span style="color:#65B042;">'</span>Mislav<span style="color:#65B042;">'</span></span>, <span style="color:#65B042;"><span style="color:#65B042;">'</span>last<span style="color:#65B042;">'</span></span> =&gt; <span style="color:#65B042;"><span style="color:#65B042;">'</span>Marohnic<span style="color:#65B042;">'</span></span> }
template <span style="color:#E28964;">=</span> <span style="color:#65B042;"><span style="color:#65B042;">'</span>Name: &lt;%= first %&gt; &lt;%= last %&gt;<span style="color:#65B042;">'</span></span>

<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span> create anonymous module which binding we will use</span>
m <span style="color:#E28964;">=</span> <span style="color:#9B859D;">Module</span>.<span style="color:#89BDFF;">new</span> <span style="color:#E28964;">do</span>
<span style="color:#AEAEAE;font-style:italic;">  <span style="color:#AEAEAE;font-style:italic;">#</span> I want the singleton class, thank you</span>
  <span style="color:#E28964;">class</span> <span style="text-decoration:underline;"><span style="color:#3E87E3;"><span style="color:#3E87E3;">&lt;&lt;</span> self</span></span>
    <span style="color:#E28964;">public</span> <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>binding</span>
    
    <span style="color:#E28964;">def</span> <span style="color:#89BDFF;">meta</span>
      <span style="color:#E28964;">class</span> <span style="text-decoration:underline;"><span style="color:#3E87E3;"><span style="color:#3E87E3;">&lt;&lt;</span> self</span></span>; <span style="color:#3E87E3;">self</span>; <span style="color:#E28964;">end</span>
    <span style="color:#E28964;">end</span>
  <span style="color:#E28964;">end</span>

<span style="color:#E28964;">class</span> <span style="text-decoration:underline;"><span style="color:#3E87E3;"><span style="color:#3E87E3;">&lt;&lt;</span> meta</span></span>
    <span style="color:#E28964;">public</span> <span style="color:#3387CC;"><span style="color:#3387CC;">:</span>define_method</span>
  <span style="color:#E28964;">end</span>

<span style="color:#AEAEAE;font-style:italic;">  <span style="color:#AEAEAE;font-style:italic;">#</span> define singleton method for each var</span>
  vars.<span style="color:#89BDFF;">each</span> <span style="color:#E28964;">do </span>|<span style="color:#3E87E3;">name</span>, <span style="color:#3E87E3;">value</span>|
    meta.<span style="color:#89BDFF;">define_method</span>(name) { value }
  <span style="color:#E28964;">end</span>
<span style="color:#E28964;">end</span>

puts <span style="color:#3E87E3;">ERB</span>.<span style="color:#89BDFF;">new</span>(template).<span style="color:#89BDFF;">result</span>(m.<span style="color:#89BDFF;">binding</span>)
<span style="color:#AEAEAE;font-style:italic;"><span style="color:#AEAEAE;font-style:italic;">#</span>=&gt; &quot;Name: Mislav Marohnic&quot;</span>
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