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325 <h1 class="class">Array</h1>
327 <div id="description">
329 a method # that walks an array in groups, pass a block to call the block on
343 <div id="public-instance-method-details" class="method-section section">
344 <h3 class="section-header">Public Instance Methods</h3>
347 <div id="in-groups-of-method" class="method-detail ">
348 <a name="M000200"></a>
350 <div class="method-heading">
352 <span class="method-name">in_groups_of</span><span
353 class="method-args">(chunk_size, padded_with=nil, &block)</span>
354 <span class="method-click-advice">click to toggle source</span>
358 <div class="method-description">
360 <p class="missing-docs">(Not documented)</p>
364 <div class="method-source-code"
365 id="in-groups-of-source">
367 <span class="ruby-comment cmt"># File lib/mcollective/monkey_patches.rb, line 29</span>
368 29: <span class="ruby-keyword kw">def</span> <span class="ruby-identifier">in_groups_of</span>(<span class="ruby-identifier">chunk_size</span>, <span class="ruby-identifier">padded_with</span>=<span class="ruby-keyword kw">nil</span>, <span class="ruby-operator">&</span><span class="ruby-identifier">block</span>)
369 30: <span class="ruby-identifier">arr</span> = <span class="ruby-keyword kw">self</span>.<span class="ruby-identifier">clone</span>
371 32: <span class="ruby-comment cmt"># how many to add</span>
372 33: <span class="ruby-identifier">padding</span> = <span class="ruby-identifier">chunk_size</span> <span class="ruby-operator">-</span> (<span class="ruby-identifier">arr</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">%</span> <span class="ruby-identifier">chunk_size</span>)
374 35: <span class="ruby-comment cmt"># pad at the end</span>
375 36: <span class="ruby-identifier">arr</span>.<span class="ruby-identifier">concat</span>([<span class="ruby-identifier">padded_with</span>] <span class="ruby-operator">*</span> <span class="ruby-identifier">padding</span>) <span class="ruby-keyword kw">unless</span> <span class="ruby-identifier">padding</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">chunk_size</span>
377 38: <span class="ruby-comment cmt"># how many chunks we'll make</span>
378 39: <span class="ruby-identifier">count</span> = <span class="ruby-identifier">arr</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">/</span> <span class="ruby-identifier">chunk_size</span>
380 41: <span class="ruby-comment cmt"># make that many arrays</span>
381 42: <span class="ruby-identifier">result</span> = []
382 43: <span class="ruby-identifier">count</span>.<span class="ruby-identifier">times</span> {<span class="ruby-operator">|</span><span class="ruby-identifier">s</span><span class="ruby-operator">|</span> <span class="ruby-identifier">result</span> <span class="ruby-operator"><<</span> <span class="ruby-identifier">arr</span>[<span class="ruby-identifier">s</span> <span class="ruby-operator">*</span> <span class="ruby-identifier">chunk_size</span>, <span class="ruby-identifier">chunk_size</span>]}
384 45: <span class="ruby-keyword kw">if</span> <span class="ruby-identifier">block_given?</span>
385 46: <span class="ruby-identifier">result</span>.<span class="ruby-identifier">each_with_index</span> <span class="ruby-keyword kw">do</span> <span class="ruby-operator">|</span><span class="ruby-identifier">a</span>, <span class="ruby-identifier">i</span><span class="ruby-operator">|</span>
386 47: <span class="ruby-keyword kw">case</span> <span class="ruby-identifier">block</span>.<span class="ruby-identifier">arity</span>
387 48: <span class="ruby-keyword kw">when</span> <span class="ruby-value">1</span>
388 49: <span class="ruby-keyword kw">yield</span>(<span class="ruby-identifier">a</span>)
389 50: <span class="ruby-keyword kw">when</span> <span class="ruby-value">2</span>
390 51: <span class="ruby-keyword kw">yield</span>(<span class="ruby-identifier">a</span>, (<span class="ruby-identifier">i</span> <span class="ruby-operator">==</span> <span class="ruby-identifier">result</span>.<span class="ruby-identifier">size</span> <span class="ruby-operator">-</span> <span class="ruby-value">1</span>))
391 52: <span class="ruby-keyword kw">else</span>
392 53: <span class="ruby-identifier">raise</span> <span class="ruby-node">"Expected 1 or 2 arguments, got #{block.arity}"</span>
393 54: <span class="ruby-keyword kw">end</span>
394 55: <span class="ruby-keyword kw">end</span>
395 56: <span class="ruby-keyword kw">else</span>
396 57: <span class="ruby-identifier">result</span>
397 58: <span class="ruby-keyword kw">end</span>
398 59: <span class="ruby-keyword kw">end</span></pre>
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