Remove "// nolint" declarations

cmd/rawpage/main.go

@@ -14,7 +14,6 @@ var (
 	pageTypeFlag = flag.Int("p", int(dexcom.EGVData), "page `type` to read")
 )
 
-// nolint
 func usage() {
 	fmt.Fprintf(os.Stderr, "Usage: %s [options]\n", os.Args[0])
 	flag.PrintDefaults()
@@ -29,7 +28,6 @@ func main() {
 	flag.Parse()
 	pageType := dexcom.PageType(*pageTypeFlag)
 	if pageType < dexcom.FirstPageType || dexcom.LastPageType < pageType {
-		// nolint
 		fmt.Fprintf(os.Stderr, "invalid page type (%d)\n", *pageTypeFlag)
 		flag.Usage()
 		os.Exit(1)

cmd/show/main.go

@@ -19,7 +19,6 @@ var (
 	rawFlag      = flag.Bool("r", false, "show raw record data")
 )
 
-// nolint
 func usage() {
 	fmt.Fprintf(os.Stderr, "Usage: %s [options]\n", os.Args[0])
 	flag.PrintDefaults()
@@ -34,7 +33,6 @@ func main() {
 	flag.Parse()
 	pageType := dexcom.PageType(*pageTypeFlag)
 	if pageType < dexcom.FirstPageType || dexcom.LastPageType < pageType {
-		// nolint
 		fmt.Fprintf(os.Stderr, "invalid page type (%d)\n", *pageTypeFlag)
 		flag.Usage()
 		os.Exit(1)

record.go

@@ -6,39 +6,45 @@ import (
 	"time"
 )
 
-// nolint
 type (
+	// Record represents a time-stamped Dexcom receiver record.
 	Record struct {
 		Timestamp Timestamp
 		Info      interface{}
 	}
 
+	// Records represents a sequence of records.
 	Records []Record
 
+	// SensorInfo represents a sensor reading.
 	SensorInfo struct {
 		Unfiltered uint32
 		Filtered   uint32
 		RSSI       int8
 		Unknown    byte
 	}
 
+	// EGVInfo represents an estimated glucose value.
 	EGVInfo struct {
 		Glucose     uint16
 		DisplayOnly bool
 		Noise       uint8
 		Trend       Trend
 	}
 
+	// InsertionInfo represents a sensor change event.
 	InsertionInfo struct {
 		SystemTime time.Time
 		Event      SensorChange
 	}
 
+	// MeterInfo represents a meter reading.
 	MeterInfo struct {
 		Glucose   uint16
 		MeterTime time.Time
 	}
 
+	// CalibrationInfo represents a calibration event.
 	CalibrationInfo struct {
 		Slope     float64
 		Intercept float64
@@ -47,6 +53,7 @@ type (
 		Data      []CalibrationRecord
 	}
 
+	// CalibrationRecord represents a calibration data point.
 	CalibrationRecord struct {
 		TimeEntered time.Time
 		Glucose     int32

share.go

@@ -132,13 +132,14 @@ func authenticate(device ble.Device, reauth bool) error {
 	if err != nil {
 		return err
 	}
-	auth, err := device.Conn().GetCharacteristic(authentication)
+	var auth ble.Characteristic
+	auth, err = device.Conn().GetCharacteristic(authentication)
 	if err != nil {
 		return err
 	}
 	if !reauth {
-		// nolint
-		data, err := auth.ReadValue()
+		var data []byte
+		data, err = auth.ReadValue()
 		if err != nil {
 			return err
 		}

usb.go

@@ -32,5 +32,5 @@ func (conn *usbConn) Receive(data []byte) error {
 
 // Close closes the USB connection.
 func (conn *usbConn) Close() {
-	conn.Port.Close() // nolint
+	_ = conn.Port.Close()
 }