profile me in golang

example1.go

package main
                          
import (
    "math" 
    "github.com/pkg/profile"
)

func makeArray(num int, size float64) []int {
  arr := make([]int, int(size))
  for ind := range arr {
    arr[ind] = num
  }
  return arr
}

func myFunc() []int {
  a := makeArray(1, math.Pow(10, 6))
  b := makeArray(2, 2*math.Pow(10, 7))
  return append(a, b[200000])
}

func main() {
  defer profile.Start(profile.MemProfile).Stop()
  myFunc()
 }