golang channel test sample 1

channel_test-2.go

package main

import (
      "runtime"
      "fmt"
)

func test(c chan bool, b bool) {
  x := 0.0
   for i := 0.0 ; i < 10000000 ; i++ {
     x += i
 }
println(x)
   if b {
      c <- true
   }
}

func main() {

   runtime.GOMAXPROCS(2)
   c := make(chan bool) 
      for i := 0 ; i < 50 ; i ++ {
   go test(c, i == 49)
   }
fmt.Println(<-c)
 // <-c
}