How closure don't capture loop value

closure.go

package main

import (
  "fmt"
)

func main() {
  nums := []int{2, 3, 4}
  funcs := make([]func(), 0)
  for _, i := range nums {
    funcs = append(funcs, func() { fmt.Printf("%d\n", i) })
  }
  for _, f := range funcs {
    f()
 }
}