primes.go

package main

import (
	"fmt"

	"github.com/fxtlabs/primes"
)

func Generate(ch chan<- int) {
	for i := 20000; ; i++ {
		ch <- i
	}
}

func checkPrime(n int, pr chan int) {

	if primes.IsPrime(n) {
		pr <- n
	}

}

func main() {
	// nums := make(chan int)
	ch := make(chan int)
	pr := make(chan int)
	go Generate(ch)

	for {
		select {
		case num := <-ch:
			go checkPrime(num, pr)
		case prime := <-pr:
			fmt.Println("prime", prime)
		}

	}
}