Function CopyStruct

cmn/cos/common.go:298–306

shallow copy

(dst, src interface{})

// shallow copy
func CopyStruct(dst, src interface{}) {
	x := reflect.ValueOf(src)
	debug.Assert(x.Kind() == reflect.Ptr)
	starX := x.Elem()
	y := reflect.New(starX.Type())
	starY := y.Elem()
	starY.Set(starX)
	reflect.ValueOf(dst).Elem().Set(y.Elem())
}

func Infof(format string, a ...interface{}) {
	if flag.Parsed() {