Apply go modernize (#650)

mediastream_test.go

@@ -2,6 +2,7 @@ package mediadevices
 
 import (
 	"io"
+	"slices"
 	"testing"
 
 	"github.com/pion/mediadevices/pkg/codec"
@@ -93,13 +94,7 @@ func TestMediaStreamFilters(t *testing.T) {
 		}
 
 		for _, a := range actual {
-			found := false
-			for _, e := range expected {
-				if e == a {
-					found = true
-					break
-				}
-			}
+			found := slices.Contains(expected, a)
 
 			if !found {
 				t.Fatalf("%s: Expected to find %p in the query results", t.Name(), a)

pkg/codec/codec.go

@@ -156,7 +156,7 @@ type ReadCloser interface {
 // EncoderController is the interface allowing to control the encoder behaviour after it's initialisation.
 // It will possibly have common control method in the future.
 // A controller can have optional methods represented by *Controller interfaces
-type EncoderController interface{}
+type EncoderController any
 
 // Controllable is a interface representing a encoder which can be controlled
 // after it's initialisation with an EncoderController

pkg/driver/vncdriver/vnc/client.go

@@ -1,6 +1,7 @@
 // Package vnc implements a VNC client.
 //
 // References:
+//
 //	[PROTOCOL]: http://tools.ietf.org/html/rfc6143
 package vnc
 
@@ -96,7 +97,7 @@ func (c *ClientConn) CutText(text string) error {
 	var buf bytes.Buffer
 
 	// This is the fixed size data we'll send
-	fixedData := []interface{}{
+	fixedData := []any{
 		uint8(6),
 		uint8(0),
 		uint8(0),
@@ -141,7 +142,7 @@ func (c *ClientConn) FramebufferUpdateRequest(incremental bool, x, y, width, hei
 		incrementalByte = 1
 	}
 
-	data := []interface{}{
+	data := []any{
 		uint8(3),
 		incrementalByte,
 		x, y, width, height,
@@ -172,7 +173,7 @@ func (c *ClientConn) KeyEvent(keysym uint32, down bool) error {
 		downFlag = 1
 	}
 
-	data := []interface{}{
+	data := []any{
 		uint8(4),
 		downFlag,
 		uint8(0),
@@ -199,7 +200,7 @@ func (c *ClientConn) KeyEvent(keysym uint32, down bool) error {
 func (c *ClientConn) PointerEvent(mask ButtonMask, x, y uint16) error {
 	var buf bytes.Buffer
 
-	data := []interface{}{
+	data := []any{
 		uint8(5),
 		uint8(mask),
 		x,
@@ -225,7 +226,7 @@ func (c *ClientConn) PointerEvent(mask ButtonMask, x, y uint16) error {
 //
 // See RFC 6143 Section 7.5.2
 func (c *ClientConn) SetEncodings(encs []Encoding) error {
-	data := make([]interface{}, 3+len(encs))
+	data := make([]any, 3+len(encs))
 	data[0] = uint8(2)
 	data[1] = uint8(0)
 	data[2] = uint16(len(encs))

pkg/driver/vncdriver/vnc/server_messages.go

@@ -63,7 +63,7 @@ func (*FramebufferUpdateMessage) Read(c *ClientConn, r io.Reader) (ServerMessage
 		var encodingType int32
 
 		rect := &rects[i]
-		data := []interface{}{
+		data := []any{
 			&rect.X,
 			&rect.Y,
 			&rect.Width,
@@ -128,7 +128,7 @@ func (*SetColorMapEntriesMessage) Read(c *ClientConn, r io.Reader) (ServerMessag
 	for i := uint16(0); i < numColors; i++ {
 
 		color := &result.Colors[i]
-		data := []interface{}{
+		data := []any{
 			&color.R,
 			&color.G,
 			&color.B,

pkg/io/audio/broadcast.go

@@ -27,7 +27,7 @@ func NewBroadcaster(source Reader, config *BroadcasterConfig) *Broadcaster {
 		coreConfig = config.Core
 	}
 
-	broadcaster := io.NewBroadcaster(io.ReaderFunc(func() (interface{}, func(), error) {
+	broadcaster := io.NewBroadcaster(io.ReaderFunc(func() (any, func(), error) {
 		return source.Read()
 	}), coreConfig)
 
@@ -39,11 +39,11 @@ func NewBroadcaster(source Reader, config *BroadcasterConfig) *Broadcaster {
 // buffer, this means that slow readers might miss some data if they're really late and the data is no longer
 // in the ring buffer.
 func (broadcaster *Broadcaster) NewReader(copyChunk bool) Reader {
-	copyFn := func(src interface{}) interface{} { return src }
+	copyFn := func(src any) any { return src }
 
 	if copyChunk {
 		buffer := wave.NewBuffer()
-		copyFn = func(src interface{}) interface{} {
+		copyFn = func(src any) any {
 			realSrc, _ := src.(wave.Audio)
 			buffer.StoreCopy(realSrc)
 			return buffer.Load()
@@ -60,7 +60,7 @@ func (broadcaster *Broadcaster) NewReader(copyChunk bool) Reader {
 
 // ReplaceSource replaces the underlying source. This operation is thread safe.
 func (broadcaster *Broadcaster) ReplaceSource(source Reader) error {
-	return broadcaster.ioBroadcaster.ReplaceSource(io.ReaderFunc(func() (interface{}, func(), error) {
+	return broadcaster.ioBroadcaster.ReplaceSource(io.ReaderFunc(func() (any, func(), error) {
 		return source.Read()
 	}))
 }

pkg/io/broadcast.go

@@ -17,7 +17,7 @@ const (
 var errEmptySource = fmt.Errorf("Source can't be nil")
 
 type broadcasterData struct {
-	data  interface{}
+	data  any
 	count uint32
 	err   error
 }
@@ -124,10 +124,10 @@ func NewBroadcaster(source Reader, config *BroadcasterConfig) *Broadcaster {
 // copyFn is used to copy the data from the source to individual readers. Broadcaster uses a small ring
 // buffer, this means that slow readers might miss some data if they're really late and the data is no longer
 // in the ring buffer.
-func (broadcaster *Broadcaster) NewReader(copyFn func(interface{}) interface{}) Reader {
+func (broadcaster *Broadcaster) NewReader(copyFn func(any) any) Reader {
 	currentCount := broadcaster.buffer.lastCount()
 
-	return ReaderFunc(func() (data interface{}, release func(), err error) {
+	return ReaderFunc(func() (data any, release func(), err error) {
 		currentCount++
 		if push := broadcaster.buffer.acquire(currentCount); push != nil {
 			data, _, err = broadcaster.source.Load().(Reader).Read()

pkg/io/broadcast_test.go

@@ -57,7 +57,7 @@ func TestBroadcast(t *testing.T) {
 					frameCount := 0
 					frameSent := 0
 					lastSend := time.Now()
-					src = ReaderFunc(func() (interface{}, func(), error) {
+					src = ReaderFunc(func() (any, func(), error) {
 						if pauseCond.src && frameSent == 30 {
 							time.Sleep(time.Second)
 						}
@@ -85,7 +85,7 @@ func TestBroadcast(t *testing.T) {
 					wg.Add(n)
 					for i := 0; i < n; i++ {
 						go func() {
-							reader := broadcaster.NewReader(func(src interface{}) interface{} { return src })
+							reader := broadcaster.NewReader(func(src any) any { return src })
 							count := 0
 							lastFrameCount := -1
 							droppedFrames := 0

pkg/io/reader.go

@@ -11,13 +11,13 @@ type Reader interface {
 	// there will be new allocations during streaming, and old unused memory will become garbage. As a consequence,
 	// these garbage will put a lot of pressure to the garbage collector and makes it to run more often and finish
 	// slower as the heap memory usage increases and more garbage to collect.
-	Read() (data interface{}, release func(), err error)
+	Read() (data any, release func(), err error)
 }
 
 // ReaderFunc is a proxy type for Reader
-type ReaderFunc func() (data interface{}, release func(), err error)
+type ReaderFunc func() (data any, release func(), err error)
 
-func (f ReaderFunc) Read() (data interface{}, release func(), err error) {
+func (f ReaderFunc) Read() (data any, release func(), err error) {
 	data, release, err = f()
 	return
 }

pkg/io/video/broadcast.go

@@ -27,7 +27,7 @@ func NewBroadcaster(source Reader, config *BroadcasterConfig) *Broadcaster {
 		coreConfig = config.Core
 	}
 
-	broadcaster := io.NewBroadcaster(io.ReaderFunc(func() (interface{}, func(), error) {
+	broadcaster := io.NewBroadcaster(io.ReaderFunc(func() (any, func(), error) {
 		return source.Read()
 	}), coreConfig)
 
@@ -39,11 +39,11 @@ func NewBroadcaster(source Reader, config *BroadcasterConfig) *Broadcaster {
 // buffer, this means that slow readers might miss some data if they're really late and the data is no longer
 // in the ring buffer.
 func (broadcaster *Broadcaster) NewReader(copyFrame bool) Reader {
-	copyFn := func(src interface{}) interface{} { return src }
+	copyFn := func(src any) any { return src }
 
 	if copyFrame {
 		buffer := NewFrameBuffer(0)
-		copyFn = func(src interface{}) interface{} {
+		copyFn = func(src any) any {
 			realSrc, _ := src.(image.Image)
 			buffer.StoreCopy(realSrc)
 			return buffer.Load()
@@ -60,7 +60,7 @@ func (broadcaster *Broadcaster) NewReader(copyFrame bool) Reader {
 
 // ReplaceSource replaces the underlying source. This operation is thread safe.
 func (broadcaster *Broadcaster) ReplaceSource(source Reader) error {
-	return broadcaster.ioBroadcaster.ReplaceSource(io.ReaderFunc(func() (interface{}, func(), error) {
+	return broadcaster.ioBroadcaster.ReplaceSource(io.ReaderFunc(func() (any, func(), error) {
 		return source.Read()
 	}))
 }

pkg/prop/duration.go

@@ -3,6 +3,7 @@ package prop
 import (
 	"fmt"
 	"math"
+	"slices"
 	"strings"
 	"time"
 )
@@ -54,11 +55,9 @@ type DurationOneOf []time.Duration
 
 // Compare implements DurationConstraint.
 func (d DurationOneOf) Compare(a time.Duration) (float64, bool) {
-	for _, ii := range d {
-		if ii == a {
+	if slices.Contains(d, a) {
 		return 0.0, true
 	}
-	}
 	return 1.0, false
 }
 

pkg/prop/float.go

@@ -3,6 +3,7 @@ package prop
 import (
 	"fmt"
 	"math"
+	"slices"
 	"strings"
 )
 
@@ -53,11 +54,9 @@ type FloatOneOf []float32
 
 // Compare implements FloatConstraint.
 func (f FloatOneOf) Compare(a float32) (float64, bool) {
-	for _, ff := range f {
-		if ff == a {
+	if slices.Contains(f, a) {
 		return 0.0, true
 	}
-	}
 	return 1.0, false
 }
 

pkg/prop/format.go

@@ -3,6 +3,7 @@ package prop
 import (
 	"fmt"
 	"github.com/pion/mediadevices/pkg/frame"
+	"slices"
 	"strings"
 )
 
@@ -56,11 +57,9 @@ type FrameFormatOneOf []frame.Format
 
 // Compare implements FrameFormatConstraint.
 func (f FrameFormatOneOf) Compare(a frame.Format) (float64, bool) {
-	for _, ff := range f {
-		if ff == a {
+	if slices.Contains(f, a) {
 		return 0.0, true
 	}
-	}
 	return 1.0, false
 }
 

pkg/prop/int.go

@@ -3,6 +3,7 @@ package prop
 import (
 	"fmt"
 	"math"
+	"slices"
 	"strings"
 )
 
@@ -53,11 +54,9 @@ type IntOneOf []int
 
 // Compare implements IntConstraint.
 func (i IntOneOf) Compare(a int) (float64, bool) {
-	for _, ii := range i {
-		if ii == a {
+	if slices.Contains(i, a) {
 		return 0.0, true
 	}
-	}
 	return 1.0, false
 }
 

pkg/prop/prop.go

@@ -32,7 +32,7 @@ func (m *Media) String() string {
 	return prettifyStruct(m)
 }
 
-func prettifyStruct(i interface{}) string {
+func prettifyStruct(i any) string {
 	var rows []string
 	var addRows func(int, reflect.Value)
 	addRows = func(level int, obj reflect.Value) {
@@ -67,7 +67,7 @@ type setterFn func(fieldA, fieldB reflect.Value)
 
 // merge merges all the field values from o to p, except zero values. It's guaranteed that setterFn will be called
 // when fieldA and fieldB are not struct.
-func (p *Media) merge(o interface{}, set setterFn) {
+func (p *Media) merge(o any, set setterFn) {
 	rp := reflect.ValueOf(p).Elem()
 	ro := reflect.ValueOf(o)
 
@@ -159,13 +159,13 @@ func (p *MediaConstraints) FitnessDistance(o Media) (float64, bool) {
 }
 
 type comparisons []struct {
-	desired, actual interface{}
+	desired, actual any
 }
 
-func (c *comparisons) add(desired, actual interface{}) {
+func (c *comparisons) add(desired, actual any) {
 	if desired != nil {
 		*c = append(*c,
-			struct{ desired, actual interface{} }{
+			struct{ desired, actual any }{
 				desired, actual,
 			},
 		)

pkg/prop/string.go

@@ -2,6 +2,7 @@ package prop
 
 import (
 	"fmt"
+	"slices"
 	"strings"
 )
 
@@ -55,11 +56,9 @@ type StringOneOf []string
 
 // Compare implements StringConstraint.
 func (f StringOneOf) Compare(a string) (float64, bool) {
-	for _, ff := range f {
-		if ff == a {
+	if slices.Contains(f, a) {
 		return 0.0, true
 	}
-	}
 	return 1.0, false
 }