fix comments

container/queue/poolqueue.go

@@ -15,6 +15,7 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+//refs:https://github.com/golang/go/blob/2333c6299f340a5f76a73a4fec6db23ffa388e97/src/sync/poolqueue.go
 package gxqueue
 
 import (

container/queue/poolqueue_test.go

@@ -15,16 +15,20 @@ See the License for the specific language governing permissions and
 limitations under the License.
 */
 
+//refs:https://github.com/golang/go/blob/2333c6299f340a5f76a73a4fec6db23ffa388e97/src/sync/pool_test.go
 package gxqueue
 
 import (
-	"github.com/stretchr/testify/assert"
 	"runtime"
 	"sync"
 	"sync/atomic"
 	"testing"
 )
 
+import (
+	"github.com/stretchr/testify/assert"
+)
+
 func TestCreatePoolDequeue(t *testing.T) {
 	_, err := NewPoolDequeue(15)
 	assert.EqualError(t, err, "the size of pool must be a power of 2")
@@ -35,6 +39,7 @@ func TestCreatePoolDequeue(t *testing.T) {
 	_, err = NewPoolDequeue(8)
 	assert.NoError(t, err)
 }
+
 func TestPoolDequeue(t *testing.T) {
 	const P = 10
 	var N int = 2e6