Clean code

Signed-off-by: Mathieu Champlon <[email protected]>

Author: mat007

loader/volume.go

@@ -36,11 +36,11 @@ func ParseVolume(spec string) (types.ServiceVolumeConfig, error) {
 		return volume, errors.New("invalid empty volume spec")
 	case 1, 2:
 		volume.Target = spec
-		volume.Type = string(types.VolumeTypeVolume)
+		volume.Type = types.VolumeTypeVolume
 		return volume, nil
 	}
 
-	buffer := []rune{}
+	var buffer []rune
 	for _, char := range spec + string(endOfSpec) {
 		switch {
 		case isWindowsDrive(buffer, char):
@@ -50,7 +50,7 @@ func ParseVolume(spec string) (types.ServiceVolumeConfig, error) {
 				populateType(&volume)
 				return volume, errors.Wrapf(err, "invalid spec: %s", spec)
 			}
-			buffer = []rune{}
+			buffer = nil
 		default:
 			buffer = append(buffer, char)
 		}