caller.go

package main
  
import (
    "fmt"
    "runtime"
)
  
func main() {
    for i := 0 ; i< 4; i++ {
        test(i)
    }
}
  
func test(skip int) {
    call(skip)
}
  
func call(skip int) {
    pc,file,line,ok := runtime.Caller(skip)
    pcName := runtime.FuncForPC(pc).Name()  
    fmt.Println(fmt.Sprintf("%v   %s   %d   %t   %s",pc,file,line,ok,pcName))