scripts/CodeMirror/mode/go/index.html (view raw)
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27<article>
28<h2>Go mode</h2>
29<form><textarea id="code" name="code">
30// Prime Sieve in Go.
31// Taken from the Go specification.
32// Copyright © The Go Authors.
33
34package main
35
36import "fmt"
37
38// Send the sequence 2, 3, 4, ... to channel 'ch'.
39func generate(ch chan<- int) {
40 for i := 2; ; i++ {
41 ch <- i // Send 'i' to channel 'ch'
42 }
43}
44
45// Copy the values from channel 'src' to channel 'dst',
46// removing those divisible by 'prime'.
47func filter(src <-chan int, dst chan<- int, prime int) {
48 for i := range src { // Loop over values received from 'src'.
49 if i%prime != 0 {
50 dst <- i // Send 'i' to channel 'dst'.
51 }
52 }
53}
54
55// The prime sieve: Daisy-chain filter processes together.
56func sieve() {
57 ch := make(chan int) // Create a new channel.
58 go generate(ch) // Start generate() as a subprocess.
59 for {
60 prime := <-ch
61 fmt.Print(prime, "\n")
62 ch1 := make(chan int)
63 go filter(ch, ch1, prime)
64 ch = ch1
65 }
66}
67
68func main() {
69 sieve()
70}
71</textarea></form>
72
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74 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
75 theme: "elegant",
76 matchBrackets: true,
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84 <p><strong>MIME type:</strong> <code>text/x-go</code></p>
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