Working with channels

channels.go

package main

import (
	"fmt"
	"time"
)

var c chan string
var c1 chan int

func main() {

	c = make(chan string)
	// runtime.GOMAXPROCS(2) uncomment to allow concurrency
	go ready("Tea", 1)
	go ready("Coffee", 1)
	fmt.Println("im waiting")

	fmt.Println(<-c)
	fmt.Println(<-c)
	
	var vals []int
	vals = make([]int, 0)
	c1 = make(chan int)

	for i:=0; i < 10; {
		go p(i)
		n := <-c1
		fmt.Println(n)
		vals = append(vals, n)
		i++
	}

}

func ready(s string, i int) {
	time.Sleep(time.Duration(i) * time.Second)
	c <- s + " is ready!"
}

func p(i int) {
	time.Sleep(time.Duration(i) * time.Second)
	c1 <- i
}