     <pre class="highlight swift"><code><span class="kd">open</span> <span class="kd">func</span> <span class="nf">moveNodes</span><span class="p">(</span><span class="nv">location</span><span class="p">:</span> <span class="kt">CGPoint</span><span class="p">,</span> <span class="nv">previous</span><span class="p">:</span> <span class="kt">CGPoint</span><span class="p">)</span></code></pre>

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