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<title>rotate! (Array)</title>
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<pre><span class="ruby-comment cmt"># File lib/facet/array/rotate.rb, line 27</span>
<span class="ruby-keyword kw">def</span> <span class="ruby-identifier">rotate!</span>(<span class="ruby-identifier">n</span>=<span class="ruby-value">1</span>)
<span class="ruby-identifier">n</span> = <span class="ruby-identifier">n</span>.<span class="ruby-identifier">to_i</span>
<span class="ruby-keyword kw">return</span> <span class="ruby-keyword kw">self</span> <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">n</span> <span class="ruby-operator">==</span> <span class="ruby-value">0</span>
<span class="ruby-keyword kw">if</span> <span class="ruby-identifier">n</span> <span class="ruby-operator">></span> <span class="ruby-value">1</span>
<span class="ruby-identifier">n</span>.<span class="ruby-identifier">times</span>{ <span class="ruby-identifier">unshift</span>(<span class="ruby-identifier">pop</span>) }
<span class="ruby-keyword kw">else</span>
<span class="ruby-identifier">n</span>.<span class="ruby-identifier">times</span>{ <span class="ruby-identifier">push</span>(<span class="ruby-identifier">shift</span>) }
<span class="ruby-keyword kw">end</span>
<span class="ruby-keyword kw">self</span>
<span class="ruby-keyword kw">end</span></pre>
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Version data entries
1 entries across 1 versions & 1 rubygems
| Version | Path |
|---|---|
| facets-0.6.3 | doc/classes/Array.src/M000053.html |