Merge pull request #6 from koykov/goup1.18

upgrade go to 1.18

dummy.go

@@ -22,8 +22,8 @@ func (DummyMetrics) QueueLost()                                  {}
 // It just leaks data to the trash.
 type DummyDLQ struct{}
 
-func (DummyDLQ) Enqueue(_ interface{}) error { return nil }
-func (DummyDLQ) Size() int                   { return 0 }
-func (DummyDLQ) Capacity() int               { return 0 }
-func (DummyDLQ) Rate() float32               { return 0 }
-func (DummyDLQ) Close() error                { return nil }
+func (DummyDLQ) Enqueue(_ any) error { return nil }
+func (DummyDLQ) Size() int           { return 0 }
+func (DummyDLQ) Capacity() int       { return 0 }
+func (DummyDLQ) Rate() float32       { return 0 }
+func (DummyDLQ) Close() error        { return nil }

go.mod

@@ -1,5 +1,5 @@
 module github.com/koykov/queue
 
-go 1.16
+go 1.18
 
 require github.com/koykov/bitset v1.0.0

interface.go

@@ -3,7 +3,7 @@ package queue
 // Interface describes queue interface.
 type Interface interface {
 	// Enqueue puts item to the queue.
-	Enqueue(x interface{}) error
+	Enqueue(x any) error
 	// Size return actual size of the queue.
 	Size() int
 	// Capacity return max size of the queue.
@@ -17,5 +17,5 @@ type Interface interface {
 // Worker describes queue worker interface.
 type Worker interface {
 	// Do process the item.
-	Do(x interface{}) error
+	Do(x any) error
 }

logger.go

@@ -3,7 +3,7 @@ package queue
 // Logger is an interface of logger interface.
 // Prints verbose messages.
 type Logger interface {
-	Printf(format string, v ...interface{})
-	Print(v ...interface{})
-	Println(v ...interface{})
+	Printf(format string, v ...any)
+	Print(v ...any)
+	Println(v ...any)
 }

queue.go

@@ -63,7 +63,7 @@ type Queue struct {
 
 // item is a wrapper for queue element with retries count.
 type item struct {
-	payload interface{}
+	payload any
 	retries uint32
 	dexpire int64 // Delayed execution expire time (Unix ns timestamp).
 }
@@ -213,7 +213,7 @@ func (q *Queue) init() {
 }
 
 // Enqueue puts x to the queue.
-func (q *Queue) Enqueue(x interface{}) error {
+func (q *Queue) Enqueue(x any) error {
 	q.once.Do(q.init)
 	// Check if enqueue is possible.
 	if status := q.getStatus(); status == StatusClose || status == StatusFail {

worker/async_chain.go

@@ -24,16 +24,16 @@ func (w *AsyncChain) Bind(workers ...queue.Worker) *AsyncChain {
 
 // Do asynchronously process the item.
 // Each worker in chain will be called for processing. AsyncChain will stop processing on first failed worker.
-func (w AsyncChain) Do(x interface{}) (err error) {
+func (w *AsyncChain) Do(x any) (err error) {
 	var (
 		wg sync.WaitGroup
 		ef uint32
 	)
-	for i := 0; i < len(w); i++ {
+	for i := 0; i < len(*w); i++ {
 		wg.Add(1)
 		go func(i int) {
 			defer wg.Done()
-			if err1 := w[i].Do(x); err1 != nil {
+			if err1 := (*w)[i].Do(x); err1 != nil {
 				if atomic.AddUint32(&ef, 1) == 1 {
 					err = err1
 				}

worker/chain.go

@@ -19,9 +19,9 @@ func (w *Chain) Bind(workers ...queue.Worker) *Chain {
 
 // Do process the item.
 // Each worker in chain will be called for processing. Chain will stop processing on first failed worker.
-func (w Chain) Do(x interface{}) (err error) {
-	for i := 0; i < len(w); i++ {
-		if err = w[i].Do(x); err != nil {
+func (w *Chain) Do(x any) (err error) {
+	for i := 0; i < len(*w); i++ {
+		if err = (*w)[i].Do(x); err != nil {
 			return
 		}
 	}

worker/transit.go

@@ -13,7 +13,7 @@ func TransitTo(queue queue.Interface) *Transit {
 	return &w
 }
 
-func (w Transit) Do(x interface{}) error {
+func (w Transit) Do(x any) error {
 	if w.queue == nil {
 		return queue.ErrNoQueue
 	}