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Merge branch 'tickers'

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This commit is contained in:
Mark McGranaghan 2019-09-01 16:24:40 -07:00
commit 13b0da17de
3 changed files with 35 additions and 9 deletions
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12
examples/tickers/tickers.go
View File

@ -16,9 +16,16 @@ func main() {
// `range` builtin on the channel to iterate over
// the values as they arrive every 500ms.
ticker := time.NewTicker(500 * time.Millisecond)
done := make(chan bool)
go func() {
for t := range ticker.C {
fmt.Println("Tick at", t)
for {
select {
case <-done:
return
case t := <-ticker.C:
fmt.Println("Tick at", t)
}
}
}()
@ -27,5 +34,6 @@ func main() {
// channel. We'll stop ours after 1600ms.
time.Sleep(1600 * time.Millisecond)
ticker.Stop()
done <- true
fmt.Println("Ticker stopped")
}

4
examples/tickers/tickers.hash
View File

@ -1,2 +1,2 @@
7dc6447323f493f72aa70952bf3e3f2c6156f82f
Rgc_UDvHv6a
c83f34821c69d156713919a42c73ec9f58560f72
IUmkvvXL5Ok

28
public/tickers generated
View File

@ -45,7 +45,7 @@ periodically until we stop it.</p>
</td>
<td class="code leading">
<a href="http://play.golang.org/p/Rgc_UDvHv6a"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
<a href="http://play.golang.org/p/IUmkvvXL5Ok"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
<div class="highlight"><pre><span class="kn">package</span> <span class="nx">main</span>
</pre></div>
@ -88,9 +88,26 @@ the values as they arrive every 500ms.</p>
<td class="code leading">
<div class="highlight"><pre> <span class="nx">ticker</span> <span class="o">:=</span> <span class="nx">time</span><span class="p">.</span><span class="nx">NewTicker</span><span class="p">(</span><span class="mi">500</span> <span class="o">*</span> <span class="nx">time</span><span class="p">.</span><span class="nx">Millisecond</span><span class="p">)</span>
<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="nx">t</span> <span class="o">:=</span> <span class="k">range</span> <span class="nx">ticker</span><span class="p">.</span><span class="nx">C</span> <span class="p">{</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nx">Println</span><span class="p">(</span><span class="s">&quot;Tick at&quot;</span><span class="p">,</span> <span class="nx">t</span><span class="p">)</span>
<span class="nx">done</span> <span class="o">:=</span> <span class="nb">make</span><span class="p">(</span><span class="kd">chan</span> <span class="kt">bool</span><span class="p">)</span>
</pre></div>
</td>
</tr>
<tr>
<td class="docs">
</td>
<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="k">select</span> <span class="p">{</span>
<span class="k">case</span> <span class="o">&lt;-</span><span class="nx">done</span><span class="p">:</span>
<span class="k">return</span>
<span class="k">case</span> <span class="nx">t</span> <span class="o">:=</span> <span class="o">&lt;-</span><span class="nx">ticker</span><span class="p">.</span><span class="nx">C</span><span class="p">:</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nx">Println</span><span class="p">(</span><span class="s">&quot;Tick at&quot;</span><span class="p">,</span> <span class="nx">t</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">}</span>
<span class="p">}()</span>
</pre></div>
@ -109,6 +126,7 @@ channel. We&rsquo;ll stop ours after 1600ms.</p>
<div class="highlight"><pre> <span class="nx">time</span><span class="p">.</span><span class="nx">Sleep</span><span class="p">(</span><span class="mi">1600</span> <span class="o">*</span> <span class="nx">time</span><span class="p">.</span><span class="nx">Millisecond</span><span class="p">)</span>
<span class="nx">ticker</span><span class="p">.</span><span class="nx">Stop</span><span class="p">()</span>
<span class="nx">done</span> <span class="o">&lt;-</span> <span class="kc">true</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nx">Println</span><span class="p">(</span><span class="s">&quot;Ticker stopped&quot;</span><span class="p">)</span>
<span class="p">}</span>
</pre></div>
@ -151,7 +169,7 @@ before we stop it.</p>
</div>
<script>
var codeLines = [];
codeLines.push('');codeLines.push('package main\u000A');codeLines.push('import \"time\"\u000Aimport \"fmt\"\u000A');codeLines.push('func main() {\u000A');codeLines.push(' ticker := time.NewTicker(500 * time.Millisecond)\u000A go func() {\u000A for t := range ticker.C {\u000A fmt.Println(\"Tick at\", t)\u000A }\u000A }()\u000A');codeLines.push(' time.Sleep(1600 * time.Millisecond)\u000A ticker.Stop()\u000A fmt.Println(\"Ticker stopped\")\u000A}\u000A');codeLines.push('');
codeLines.push('');codeLines.push('package main\u000A');codeLines.push('import \"time\"\u000Aimport \"fmt\"\u000A');codeLines.push('func main() {\u000A');codeLines.push(' ticker := time.NewTicker(500 * time.Millisecond)\u000A done := make(chan bool)\u000A');codeLines.push(' go func() {\u000A for {\u000A select {\u000A case \x3C-done:\u000A return\u000A case t := \x3C-ticker.C:\u000A fmt.Println(\"Tick at\", t)\u000A }\u000A }\u000A }()\u000A');codeLines.push(' time.Sleep(1600 * time.Millisecond)\u000A ticker.Stop()\u000A done \x3C- true\u000A fmt.Println(\"Ticker stopped\")\u000A}\u000A');codeLines.push('');
</script>
<script src="site.js" async></script>
</body>