Mercurial > kallithea

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    <h1>CodeMirror: Go mode</h1>

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// Prime Sieve in Go.
// Taken from the Go specification.
// Copyright © The Go Authors.

package main

import "fmt"

// Send the sequence 2, 3, 4, ... to channel 'ch'.
func generate(ch chan&lt;- int) {
    for i := 2; ; i++ {
        ch &lt;- i  // Send 'i' to channel 'ch'
    }
}

// Copy the values from channel 'src' to channel 'dst',
// removing those divisible by 'prime'.
func filter(src &lt;-chan int, dst chan&lt;- int, prime int) {
    for i := range src {    // Loop over values received from 'src'.
        if i%prime != 0 {
            dst &lt;- i  // Send 'i' to channel 'dst'.
        }
    }
}

// The prime sieve: Daisy-chain filter processes together.
func sieve() {
    ch := make(chan int)  // Create a new channel.
    go generate(ch)       // Start generate() as a subprocess.
    for {
        prime := &lt;-ch
        fmt.Print(prime, "\n")
        ch1 := make(chan int)
        go filter(ch, ch1, prime)
        ch = ch1
    }
}

func main() {
    sieve()
}
</textarea></form>

    <script>
      var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
        theme: "elegant",
        matchBrackets: true,
        indentUnit: 8,
        tabSize: 8,
        indentWithTabs: true,
        mode: "text/x-go"
      });
    </script>

    <p><strong>MIME type:</strong> <code>text/x-go</code></p>
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author	Marcin Kuzminski <marcin@python-works.com>
date	Fri, 21 Jun 2013 01:11:16 +0200
parents	a60a0e9092c6
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