docs: example outputs

Author: mitinarseny

opt_ids.go

@@ -9,8 +9,8 @@ import (
 // with corresponding ICMP sequence numbers.
 type optIDs struct {
 	counter uint32
-	m map[uint32]uint16
-	mu sync.RWMutex
+	m       map[uint32]uint16
+	mu      sync.RWMutex
 }
 
 func newOptIDs() *optIDs {

opts_test.go

@@ -33,19 +33,18 @@ func TestNewOption(t *testing.T) {
 	require.Equal(t, val, i)
 }
 
-func ExamplePinger_Set() {
-	p, _ := New(nil)
+func ExamplePinger_setGet() {
+	p, err := New(nil)
+	if err != nil {
+		log.Panic(err)
+	}
 	if err := p.Set(TTL(1)); err != nil {
 		log.Panic(err)
 	}
-}
-
-func ExamplePinger_Get() {
-	p, _ := New(nil)
 	ttl := TTL(0)
 	if err := p.Get(ttl); err != nil {
 		log.Panic(err)
 	}
 	fmt.Println(ttl.Get())
-	// Output: 64
+	// Output: 1
 }

ping_test.go

@@ -67,7 +67,7 @@ func BenchmarkPinger(b *testing.B) {
 	g.Go(func() error {
 		return p.Listen(ctx)
 	})
-	defer func(){
+	defer func() {
 		cancel()
 		if err := g.Wait(); !errors.Is(err, context.Canceled) {
 			b.Fatal(err)
@@ -203,5 +203,6 @@ func ExamplePinger_PingNContextInterval() {
 		fmt.Println(err)
 		return
 	}
-	fmt.Printf("packet loss: %f, avg RTT: %s\n", float32(send-len(rs))/float32(send), rs.AvgRTT())
+	fmt.Printf("packet loss: %.2f%%, avg RTT: %s\n",
+		100*float32(send-len(rs))/float32(send), rs.AvgRTT())
 }

seq_test.go

@@ -9,7 +9,7 @@ import (
 func BenchmarkReserve(b *testing.B) {
 	r := newReserve()
 	ctx := context.Background()
-	b.SetParallelism(2*math.MaxUint16)
+	b.SetParallelism(2 * math.MaxUint16)
 	b.RunParallel(func(pb *testing.PB) {
 		for pb.Next() {
 			seq, err := r.get(ctx)