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<article><h2>Go mode</h2><form><textarea id="code" name="code">// 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<- int) { for i := 2; ; i++ { ch <- i // Send 'i' to channel 'ch' }}
// Copy the values from channel 'src' to channel 'dst',// removing those divisible by 'prime'.func filter(src <-chan int, dst chan<- int, prime int) { for i := range src { // Loop over values received from 'src'. if i%prime != 0 { dst <- 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 := <-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> </article>
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