Apply suggestions from code review

Co-Authored-By: abduld <[email protected]>

Author: fixmie[bot]

reader/mxnet_recordio.go

@@ -32,6 +32,7 @@ func NewRecordIOReader(path string) (*RecordIOReader, error) {
 	}, nil
 }
 
+// Next ...
 func (r *RecordIOReader) Next(ctx context.Context) (*ImageRecord, error) {
 	f := r.r
 

reader/record.go

@@ -2,6 +2,7 @@ package reader
 
 import "github.com/rai-project/image/types"
 
+// ImageRecord ...
 type ImageRecord struct {
 	ID         uint64
 	LabelIndex float32

reader/tfrecord.go

@@ -20,6 +20,7 @@ type TFRecordReader struct {
 	*terf.Reader
 }
 
+// NewTFRecordReader ...
 func NewTFRecordReader(path string) (*TFRecordReader, error) {
 	r, err := os.Open(path)
 	if err != nil {

reader/tfrecord/features.go

@@ -9,6 +9,7 @@ func FeatureBool(rec *protobuf.Example, key string) bool {
 	return FeatureInt(rec, key) == 1
 }
 
+// FeatureInt64 ...
 func FeatureInt64(rec *protobuf.Example, key string) int64 {
 	f, ok := rec.Features.Feature[key]
 	if !ok {
@@ -35,6 +36,7 @@ func FeatureFloat64(rec *protobuf.Example, key string) float64 {
 	return float64(FeatureFloat32(rec, key))
 }
 
+// FeatureFloat32 ...
 func FeatureFloat32(rec *protobuf.Example, key string) float32 {
 	f, ok := rec.Features.Feature[key]
 	if !ok {
@@ -71,6 +73,7 @@ func FeatureBytesSlice(rec *protobuf.Example, key string) [][]byte {
 	return val.BytesList.Value
 }
 
+// FeatureStringSlice ...
 func FeatureStringSlice(rec *protobuf.Example, key string) []string {
 	slice := FeatureBytesSlice(rec, key)
 	if slice == nil {
@@ -100,6 +103,7 @@ func FeatureInt64Slice(rec *protobuf.Example, key string) []int64 {
 	return val.Int64List.Value
 }
 
+// FeatureIntSlice ...
 func FeatureIntSlice(rec *protobuf.Example, key string) []int {
 	slice := FeatureInt64Slice(rec, key)
 	if slice == nil {
@@ -142,6 +146,7 @@ func FeatureFloat64Slice(rec *protobuf.Example, key string) []float64 {
 	return res
 }
 
+// FeatureFloat32Slice ...
 func FeatureFloat32Slice(rec *protobuf.Example, key string) []float32 {
 	f, ok := rec.Features.Feature[key]
 	if !ok {