chore: run gofmt -w -r 'interface{} -> any'

cache_go17.go

@@ -1,3 +1,4 @@
+//go:build !go1.9
 // +build !go1.9
 
 package csvutil

cache_go19.go

@@ -1,3 +1,4 @@
+//go:build go1.9
 // +build go1.9
 
 package csvutil

csvutil.go

@@ -27,7 +27,7 @@ var (
 //
 // In case of success the provided slice will be reinitialized and its content
 // fully replaced with decoded data.
-func Unmarshal(data []byte, v interface{}) error {
+func Unmarshal(data []byte, v any) error {
 	val := reflect.ValueOf(v)
 
 	if val.Kind() != reflect.Ptr || val.IsNil() {
@@ -90,7 +90,7 @@ func Unmarshal(data []byte, v interface{}) error {
 // Marshal will always encode the CSV header even for the empty slice.
 //
 // For the exact encoding rules look at Encoder.Encode method.
-func Marshal(v interface{}) ([]byte, error) {
+func Marshal(v any) ([]byte, error) {
 	val := walkValue(reflect.ValueOf(v))
 
 	if !val.IsValid() {
@@ -177,7 +177,7 @@ func countRecords(s []byte) (n int) {
 //
 // Header will return UnsupportedTypeError if the provided value is nil or is
 // not a struct.
-func Header(v interface{}, tag string) ([]string, error) {
+func Header(v any, tag string) ([]string, error) {
 	typ, err := valueType(v)
 	if err != nil {
 		return nil, err
@@ -195,7 +195,7 @@ func Header(v interface{}, tag string) ([]string, error) {
 	return h, nil
 }
 
-func valueType(v interface{}) (reflect.Type, error) {
+func valueType(v any) (reflect.Type, error) {
 	val := reflect.ValueOf(v)
 	if !val.IsValid() {
 		return nil, &UnsupportedTypeError{}

csvutil_go113_test.go

@@ -1,3 +1,4 @@
+//go:build go1.13
 // +build go1.13
 
 package csvutil

csvutil_go17.go

@@ -1,3 +1,4 @@
+//go:build !go1.9
 // +build !go1.9
 
 package csvutil

csvutil_go19.go

@@ -1,3 +1,4 @@
+//go:build go1.9
 // +build go1.9
 
 package csvutil

csvutil_race_test.go

@@ -1,3 +1,4 @@
+//go:build race
 // +build race
 
 package csvutil

csvutil_test.go

@@ -9,8 +9,8 @@ func TestUnmarshal(t *testing.T) {
 	fixture := []struct {
 		desc string
 		src  []byte
-		in   interface{}
-		out  interface{}
+		in   any
+		out  any
 	}{
 		{
 			desc: "type with two records",
@@ -177,10 +177,10 @@ func TestUnmarshal(t *testing.T) {
 
 		var fixtures = []struct {
 			desc     string
-			v        interface{}
+			v        any
 			expected string
 		}{
-			{"nil interface", interface{}(nil), "csvutil: Unmarshal(nil)"},
+			{"nil interface", any(nil), "csvutil: Unmarshal(nil)"},
 			{"nil", nil, "csvutil: Unmarshal(nil)"},
 			{"non pointer struct", struct{}{}, "csvutil: Unmarshal(non-pointer struct {})"},
 			{"invalid type double pointer int", (**int)(nil), "csvutil: Unmarshal(invalid type **int)"},
@@ -279,7 +279,7 @@ line2,"line2"`),
 func TestMarshal(t *testing.T) {
 	fixtures := []struct {
 		desc string
-		v    interface{}
+		v    any
 		out  [][]string
 		err  error
 	}{
@@ -353,7 +353,7 @@ func TestMarshal(t *testing.T) {
 		},
 		{
 			desc: "slice pointer wrapped in interface",
-			v: func() (v interface{}) {
+			v: func() (v any) {
 				v = &[]*TypeI{
 					{String: "string", Int: 10},
 				}
@@ -366,7 +366,7 @@ func TestMarshal(t *testing.T) {
 		},
 		{
 			desc: "array pointer wrapped in interface",
-			v: func() (v interface{}) {
+			v: func() (v any) {
 				v = &[1]*TypeI{
 					{String: "string", Int: 10},
 				}
@@ -450,7 +450,7 @@ func TestMarshal(t *testing.T) {
 		fixtures := []struct {
 			desc     string
 			expected string
-			v        interface{}
+			v        any
 		}{
 			{
 				desc:     "int64",
@@ -554,7 +554,7 @@ type Embedded16 struct {
 func TestHeader(t *testing.T) {
 	fixture := []struct {
 		desc   string
-		v      interface{}
+		v      any
 		tag    string
 		header []string
 		err    error
@@ -889,7 +889,7 @@ func checkErr(expected, err error) bool {
 //
 // This copy exists because we want to avoid dependencies like:
 // "golang.org/x/xerrors"
-func asError(err error, target interface{}) bool {
+func asError(err error, target any) bool {
 	if target == nil {
 		panic("errors: target cannot be nil")
 	}
@@ -907,7 +907,7 @@ func asError(err error, target interface{}) bool {
 			val.Elem().Set(reflect.ValueOf(err))
 			return true
 		}
-		if x, ok := err.(interface{ As(interface{}) bool }); ok && x.As(target) {
+		if x, ok := err.(interface{ As(any) bool }); ok && x.As(target) {
 			return true
 		}
 		err = unwrap(err)

decoder.go

@@ -10,7 +10,7 @@ type decField struct {
 	columnIndex int
 	field
 	decodeFunc
-	zero interface{}
+	zero any
 }
 
 // A Decoder reads and decodes string records into structs.
@@ -45,7 +45,7 @@ type Decoder struct {
 	// value of that type.
 	//
 	// Map must be set before the first call to Decode and not changed after it.
-	Map func(field, col string, v interface{}) string
+	Map func(field, col string, v any) string
 
 	r          Reader
 	typeKey    typeKey
@@ -170,7 +170,7 @@ func NewDecoder(r Reader, header ...string) (dec *Decoder, err error) {
 //
 // Fields with inline tags that have a non-empty prefix must not be cyclic
 // structures. Passing such values to Decode will result in an infinite loop.
-func (d *Decoder) Decode(v interface{}) (err error) {
+func (d *Decoder) Decode(v any) (err error) {
 	val := reflect.ValueOf(v)
 	if val.Kind() != reflect.Ptr || val.IsNil() {
 		return &InvalidDecodeError{Type: reflect.TypeOf(v)}
@@ -264,7 +264,7 @@ func (d *Decoder) Unused() []int {
 //
 // Deprecated: use UnmarshalFunc function with type parameter instead. The benefits
 // are type safety and much better performance.
-func (d *Decoder) Register(f interface{}) {
+func (d *Decoder) Register(f any) {
 	v := reflect.ValueOf(f)
 	typ := v.Type()