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- <!doctype html>
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- <meta charset="utf-8">
- <title>CodeMirror: Go mode</title>
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- <h1>CodeMirror: Go mode</h1>
- <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>
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- var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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