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example_fibonacci.shtml
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<div class="highlight"><pre><span class="k">class</span> <span class="no">Fixnum</span> <span class="p">{</span>
<span class="k">def</span> <span class="n">fib</span> <span class="p">{</span>
<span class="k">match</span> <span class="no">self</span> <span class="p">{</span>
<span class="k">case</span> <span class="mi">0</span> <span class="o">-></span> <span class="mi">0</span>
<span class="k">case</span> <span class="mi">1</span> <span class="o">-></span> <span class="mi">1</span>
<span class="k">case</span> <span class="n">_</span> <span class="o">-></span> <span class="no">self</span> <span class="o">-</span> <span class="mi">1</span> <span class="n">fib</span> <span class="o">+</span> <span class="p">(</span><span class="no">self</span> <span class="o">-</span> <span class="mi">2</span> <span class="n">fib</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="mi">15</span> <span class="nf">times:</span> <span class="p">|</span><span class="n">x</span><span class="p">|</span> <span class="p">{</span>
<span class="n">x</span> <span class="n">fib</span> <span class="n">println</span>
<span class="p">}</span>
</pre></div>