Listeners struct was renamed to ListenerCounter.

cmd/dwelling-radiodj/main.go

@@ -37,7 +37,7 @@ func main() {
 
 	r := httpr.New()
 
-	lstnrs := radio.NewListeners()
+	lstnrs := radio.NewListenerCounter()
 	plylst, err := radio.NewPlaylist(*playlist, true)
 	if err != nil {
 		log.Fatalln(err)

internal/http/dj_handlers.go

@@ -14,11 +14,11 @@ import (
 var songList radio.SongList
 
 type DJHandlers struct {
-	listeners *radio.Listeners
+	listeners *radio.ListenerCounter
 	playlist  *radio.Playlist
 }
 
-func NewDJHandlers(l *radio.Listeners, p *radio.Playlist, slLen int) *DJHandlers {
+func NewDJHandlers(l *radio.ListenerCounter, p *radio.Playlist, slLen int) *DJHandlers {
 	songList = *radio.NewSongList(slLen)
 	return &DJHandlers{listeners: l, playlist: p}
 }

internal/radio/listeners.go

@@ -7,33 +7,33 @@ import (
 	"sync"
 )
 
-// Listeners stores the current and peak numbers of listeners.
-type Listeners struct {
+// ListenerCounter stores the current and peak numbers of listeners.
+type ListenerCounter struct {
 	mut           sync.Mutex
 	current, peak int
 }
 
-// NewListeners returns a new Listeners struct instance.
-func NewListeners() *Listeners {
-	return &Listeners{}
+// NewListenerCounter returns a new ListenerCounter struct instance.
+func NewListenerCounter() *ListenerCounter {
+	return &ListenerCounter{}
 }
 
 // Current returns a number of current listeners.
-func (l *Listeners) Current() int {
+func (l *ListenerCounter) Current() int {
 	l.mut.Lock()
 	defer l.mut.Unlock()
 	return l.current
 }
 
 // Current returns a number of peak listeners.
-func (l *Listeners) Peak() int {
+func (l *ListenerCounter) Peak() int {
 	l.mut.Lock()
 	defer l.mut.Unlock()
 	return l.peak
 }
 
 // Inc increments by 1 a current number of listeners and updates a peak number.
-func (l *Listeners) Inc() int {
+func (l *ListenerCounter) Inc() int {
 	l.mut.Lock()
 	defer l.mut.Unlock()
 	if l.current == math.MaxInt {
@@ -49,7 +49,7 @@ func (l *Listeners) Inc() int {
 
 // Dec decrements by 1 a current number of listeners. An error will occur if
 // a resulting number is less than 0.
-func (l *Listeners) Dec() (int, error) {
+func (l *ListenerCounter) Dec() (int, error) {
 	l.mut.Lock()
 	defer l.mut.Unlock()
 	if l.current == 0 {