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<title>uniq_by (Enumerable)</title>
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<pre><span class="ruby-comment cmt"># File lib/facet/enumerable/uniq_by.rb, line 13</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">uniq_by</span>
<span class="ruby-identifier">h</span> = {}; <span class="ruby-identifier">inject</span>([]) {<span class="ruby-operator">|</span><span class="ruby-identifier">a</span>,<span class="ruby-identifier">x</span><span class="ruby-operator">|</span> <span class="ruby-identifier">h</span>[<span class="ruby-keyword kw">yield</span>(<span class="ruby-identifier">x</span>)] <span class="ruby-operator">||=</span> <span class="ruby-identifier">a</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">x</span>}
<span class="ruby-keyword kw">end</span></pre>
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