remove tags type introducing an exported function

Author: polldo

command/device/device.go

@@ -35,7 +35,7 @@ type DeviceInfo struct {
 
 func getDeviceInfo(device *iotclient.ArduinoDevicev2) (*DeviceInfo, error) {
 	// Retrieve device tags
-	tags, err := tag.Tags(device.Tags).Info()
+	tags, err := tag.TagsInfo(device.Tags)
 	if err != nil {
 		return nil, err
 	}

command/tag/tag.go

@@ -2,13 +2,11 @@ package tag
 
 import "fmt"
 
-type Tags map[string]interface{}
-
-// Info transforms tags into user-readable strings
+// TagsInfo transforms tags into user-readable strings
 // An error is returned if a tag value is not a string
-func (t Tags) Info() ([]string, error) {
+func TagsInfo(tags map[string]interface{}) ([]string, error) {
 	var str []string
-	for key, value := range t {
+	for key, value := range tags {
 		if valStr, ok := value.(string); ok {
 			str = append(str, key+": "+valStr)
 		} else {

command/thing/thing.go

@@ -39,7 +39,7 @@ func getThingInfo(thing *iotclient.ArduinoThing) (*ThingInfo, error) {
 		vars = append(vars, p.Name)
 	}
 	// Retrieve thing tags
-	tags, err := tag.Tags(thing.Tags).Info()
+	tags, err := tag.TagsInfo(thing.Tags)
 	if err != nil {
 		return nil, err
 	}