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8 <title>mutation (Population)</title>
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13 <pre><span class="ruby-comment cmt"># File lib/libgenetics.rb, line 95</span>
14 <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">mutation</span>(<span class="ruby-identifier">mutation_rate</span>)
15 <span class="ruby-identifier">parents</span> = <span class="ruby-ivar">@individuals</span>.<span class="ruby-identifier">dup</span> <span class="ruby-comment cmt"># genomes that haven't been parents yet</span>
16 <span class="ruby-identifier">next_population</span> = <span class="ruby-constant">Population</span>.<span class="ruby-identifier">new</span>(<span class="ruby-value">0</span>)
17 <span class="ruby-keyword kw">while</span> <span class="ruby-identifier">parents</span>.<span class="ruby-identifier">length</span> <span class="ruby-operator">&gt;</span> <span class="ruby-value">0</span>
18 <span class="ruby-identifier">parent</span> = <span class="ruby-identifier">parents</span>.<span class="ruby-identifier">pop</span>
19 <span class="ruby-identifier">child</span> = <span class="ruby-identifier">parent</span>.<span class="ruby-identifier">mutate</span> <span class="ruby-identifier">mutation_rate</span>
20 <span class="ruby-identifier">next_population</span>.<span class="ruby-identifier">individuals</span> <span class="ruby-operator">&lt;&lt;</span> <span class="ruby-identifier">child</span>
21 <span class="ruby-keyword kw">end</span>
22 <span class="ruby-identifier">next_population</span>
23 <span class="ruby-keyword kw">end</span></pre>
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