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Mark McGranaghan 2013-10-20 14:34:08 -07:00
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commit 044d5b7238
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examples/stateful-goroutines/stateful-goroutines.hash
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public/stateful-goroutines
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@ -46,7 +46,7 @@ by exactly 1 goroutine.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/2YrrJo4H6W"><img title="Run code" src="play.png" class="run" /></a>
<a href="http://play.golang.org/p/8Qxa8MHXAv"><img title="Run code" src="play.png" class="run" /></a>
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -112,22 +112,7 @@ goroutine to respond.</p>
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<td class="docs">
<p>The <code>state</code> will be a map as in the previous
example.</p>
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<td class="code leading">
<div class="highlight"><pre> <span class="kd">var</span> <span class="nx">state</span> <span class="p">=</span> <span class="nb">make</span><span class="p">(</span><span class="kd">map</span><span class="p">[</span><span class="kt">int</span><span class="p">]</span><span class="kt">int</span><span class="p">)</span>
</pre></div>
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<td class="docs">
<p>Also as before we&rsquo;ll count how many operations we
perform.</p>
<p>As before we&rsquo;ll count how many operations we perform.</p>
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@ -156,19 +141,33 @@ respectively.</p>
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<td class="docs">
<p>Here is the goroutine that owns the <code>state</code>. This
goroutine repeatedly selects on the <code>reads</code> and
<code>writes</code> channels, responding to requests as they
arrive. A response is executed by first performing
the requested operation and then sending a value
on the response channel <code>resp</code> to indicate success
(and the desired value in the case of <code>reads</code>).</p>
<p>Here is the goroutine that owns the <code>state</code>, which
is a map as in the previous example but now private
to the stateful goroutine. This goroutine repeatedly
selects on the <code>reads</code> and <code>writes</code> channels,
responding to requests as they arrive. A response
is executed by first performing the requested
operation and then sending a value on the response
channel <code>resp</code> to indicate success (and the desired
value in the case of <code>reads</code>).</p>
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<td class="code leading">
<div class="highlight"><pre> <span class="k">go</span> <span class="kd">func</span><span class="p">()</span> <span class="p">{</span>
<span class="k">for</span> <span class="p">{</span>
<span class="kd">var</span> <span class="nx">state</span> <span class="p">=</span> <span class="nb">make</span><span class="p">(</span><span class="kd">map</span><span class="p">[</span><span class="kt">int</span><span class="p">]</span><span class="kt">int</span><span class="p">)</span>
</pre></div>
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<td class="docs">
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<td class="code leading">
<div class="highlight"><pre> <span class="k">for</span> <span class="p">{</span>
<span class="k">select</span> <span class="p">{</span>
<span class="k">case</span> <span class="nx">read</span> <span class="o">:=</span> <span class="o">&lt;-</span><span class="nx">reads</span><span class="p">:</span>
<span class="nx">read</span><span class="p">.</span><span class="nx">resp</span> <span class="o">&lt;-</span> <span class="nx">state</span><span class="p">[</span><span class="nx">read</span><span class="p">.</span><span class="nx">key</span><span class="p">]</span>