forked from mmcgrana/gobyexample
-
Notifications
You must be signed in to change notification settings - Fork 2
/
Copy pathrange-over-channels
158 lines (120 loc) · 5.98 KB
/
range-over-channels
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>Go by Example မြန်မာဘာသာ: Range over Channels</title>
<link rel=stylesheet href="site.css">
</head>
<script>
onkeydown = (e) => {
if (e.key == "ArrowLeft") {
window.location.href = 'closing-channels';
}
if (e.key == "ArrowRight") {
window.location.href = 'timers';
}
}
</script>
<body>
<div class="example" id="range-over-channels">
<h2><a href="./">Go by Example မြန်မာဘာသာ</a>: Range over Channels</h2>
<table>
<tr>
<td class="docs">
<p><a href="range">ယခင်</a> ဥပမာမှာ <code>for</code> နဲ့ <code>range</code> က အခြေခံ data structure တွေကို
ဘယ်လို iterate လုပ်သလဲဆိုတာ တွေ့ခဲ့ပါတယ်။ ဒီ syntax ကိုပဲ channel ကနေ
လက်ခံရရှိတဲ့ တန်ဖိုးတွေကို iterate လုပ်ဖို့လည်း သုံးနိုင်ပါတယ်။</p>
</td>
<td class="code empty leading">
</td>
</tr>
<tr>
<td class="docs">
</td>
<td class="code leading">
<a href="https://go.dev/play/p/0Hmv0NMaFF_v"><img title="Run code" src="play.png" class="run" /></a><img title="Copy code" src="clipboard.png" class="copy" />
<pre class="chroma"><span class="kn">package</span> <span class="nx">main</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
</td>
<td class="code leading">
<pre class="chroma"><span class="kn">import</span> <span class="s">"fmt"</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
</td>
<td class="code leading">
<pre class="chroma"><span class="kd">func</span> <span class="nf">main</span><span class="p">()</span> <span class="p">{</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
<p><code>queue</code> channel ထဲက တန်ဖိုး 2 ခုကို iterate လုပ်ပါမယ်။</p>
</td>
<td class="code leading">
<pre class="chroma">
<span class="nx">queue</span> <span class="o">:=</span> <span class="nb">make</span><span class="p">(</span><span class="kd">chan</span> <span class="kt">string</span><span class="p">,</span> <span class="mi">2</span><span class="p">)</span>
<span class="nx">queue</span> <span class="o"><-</span> <span class="s">"one"</span>
<span class="nx">queue</span> <span class="o"><-</span> <span class="s">"two"</span>
<span class="nb">close</span><span class="p">(</span><span class="nx">queue</span><span class="p">)</span>
</pre>
</td>
</tr>
<tr>
<td class="docs">
<p>ဒီ <code>range</code> က <code>queue</code> ကနေ လက်ခံရရှိတဲ့ element တိုင်းကို iterate လုပ်ပါတယ်။
အပေါ်မှာ channel ကို <code>close</code> လုပ်ထားတဲ့အတွက် တန်ဖိုး 2 ခုကို
လက်ခံရရှိပြီးတဲ့နောက် iteration က ရပ်တန့်သွားပါတယ်။</p>
</td>
<td class="code">
<pre class="chroma">
<span class="k">for</span> <span class="nx">elem</span> <span class="o">:=</span> <span class="k">range</span> <span class="nx">queue</span> <span class="p">{</span>
<span class="nx">fmt</span><span class="p">.</span><span class="nf">Println</span><span class="p">(</span><span class="nx">elem</span><span class="p">)</span>
<span class="p">}</span>
<span class="p">}</span>
</pre>
</td>
</tr>
</table>
<table>
<tr>
<td class="docs">
</td>
<td class="code leading">
<pre class="chroma"><span class="gp">$</span> go run range-over-channels.go
<span class="go">one
</span><span class="go">two</span></pre>
</td>
</tr>
<tr>
<td class="docs">
<p>ဒီဥပမာက empty မဟုတ်တဲ့ channel
ကိုတောင် ပိတ်လို့ရပြီး
ကျန်ရှိနေသေးတဲ့ တန်ဖိုးတွေကို
ဆက်လက်လက်ခံနိုင်သေးတယ်ဆိုတာကိုလည်း
ပြသထားပါတယ်။</p>
</td>
<td class="code empty">
</td>
</tr>
</table>
<p class="next">
နောက်ဥပမာ: <a href="timers">Timers</a>.
</p>
<p class="footer">
by <a href="https://markmcgranaghan.com">Mark McGranaghan</a> နှင့် <a href="https://eli.thegreenplace.net">Eli Bendersky</a> | <a href="https://github.com/mmcgrana/gobyexample">source</a> | <a href="https://github.com/mmcgrana/gobyexample#license">license</a>
</p>
</div>
<script>
var codeLines = [];
codeLines.push('');codeLines.push('package main\u000A');codeLines.push('import \"fmt\"\u000A');codeLines.push('func main() {\u000A');codeLines.push(' queue :\u003D make(chan string, 2)\u000A queue \u003C- \"one\"\u000A queue \u003C- \"two\"\u000A close(queue)\u000A');codeLines.push(' for elem :\u003D range queue {\u000A fmt.Println(elem)\u000A }\u000A}\u000A');codeLines.push('');codeLines.push('');
</script>
<script src="site.js" async></script>
</body>
</html>