use time keyword constant

parser/aftn.go

@@ -39,7 +39,6 @@ const (
 	KeyDof       = "dof"
 	KeyPlane     = "plane"
 	KeyAircraft  = "aircraft"
-	KeyOther     = "other"
 	KeyTime      = "time"
 )
 

parser/telegram.go

@@ -107,7 +107,7 @@ func parseAirportAndTime(s string) (airport string, arrivalTime time.Time) {
 
 func parseDof(text string) time.Time {
 	value := getFields(DofValueRex, text)
-	dof, _ := time.Parse("060102", value["time"])
+	dof, _ := time.Parse("060102", value[KeyTime])
 	return dof
 }