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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&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>

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