Rename GeoPosition to GeoPos for consistency with Redis Server. Simpl…

…ify code where possible.

command.go

@@ -806,10 +806,6 @@ type GeoLocation struct {
 	GeoHash                   int64
 }
 
-type GeoPosition struct {
-	Longitude, Latitude float64
-}
-
 // GeoRadiusQuery is used with GeoRadius to query geospatial index.
 type GeoRadiusQuery struct {
 	Radius float64
@@ -886,22 +882,28 @@ func (cmd *GeoLocationCmd) readReply(cn *pool.Conn) error {
 	return nil
 }
 
+//------------------------------------------------------------------------------
+
+type GeoPos struct {
+	Longitude, Latitude float64
+}
+
 type GeoPosCmd struct {
 	baseCmd
 
-	positions []*GeoPosition
+	positions []*GeoPos
 }
 
 func NewGeoPosCmd(args ...interface{}) *GeoPosCmd {
 	cmd := newBaseCmd(args)
 	return &GeoPosCmd{baseCmd: cmd}
 }
 
-func (cmd *GeoPosCmd) Val() []*GeoPosition {
+func (cmd *GeoPosCmd) Val() []*GeoPos {
 	return cmd.positions
 }
 
-func (cmd *GeoPosCmd) Result() ([]*GeoPosition, error) {
+func (cmd *GeoPosCmd) Result() ([]*GeoPos, error) {
 	return cmd.Val(), cmd.Err()
 }
 
@@ -915,12 +917,12 @@ func (cmd *GeoPosCmd) reset() {
 }
 
 func (cmd *GeoPosCmd) readReply(cn *pool.Conn) error {
-	reply, err := cn.Rd.ReadArrayReply(newGeoPositionSliceParser())
+	reply, err := cn.Rd.ReadArrayReply(geoPosSliceParser)
 	if err != nil {
 		cmd.err = err
 		return err
 	}
-	cmd.positions = reply.([]*GeoPosition)
+	cmd.positions = reply.([]*GeoPos)
 	return nil
 }
 

commands.go

@@ -234,7 +234,7 @@ type Cmdable interface {
 	ClusterAddSlots(slots ...int) *StatusCmd
 	ClusterAddSlotsRange(min, max int) *StatusCmd
 	GeoAdd(key string, geoLocation ...*GeoLocation) *IntCmd
-	GeoPos(key string, name ...string) *GeoPosCmd
+	GeoPos(key string, members ...string) *GeoPosCmd
 	GeoRadius(key string, longitude, latitude float64, query *GeoRadiusQuery) *GeoLocationCmd
 	GeoRadiusByMember(key, member string, query *GeoRadiusQuery) *GeoLocationCmd
 	GeoDist(key string, member1, member2, unit string) *FloatCmd
@@ -2055,12 +2055,12 @@ func (c *cmdable) GeoHash(key string, members ...string) *StringSliceCmd {
 	return cmd
 }
 
-func (c *cmdable) GeoPos(key string, names ...string) *GeoPosCmd {
-	args := make([]interface{}, 2+len(names))
+func (c *cmdable) GeoPos(key string, members ...string) *GeoPosCmd {
+	args := make([]interface{}, 2+len(members))
 	args[0] = "geopos"
 	args[1] = key
-	for i, name := range names {
-		args[2+i] = name
+	for i, member := range members {
+		args[2+i] = member
 	}
 	cmd := NewGeoPosCmd(args...)
 	c.process(cmd)

parser.go

@@ -273,46 +273,42 @@ func newGeoLocationSliceParser(q *GeoRadiusQuery) proto.MultiBulkParse {
 	}
 }
 
-func newGeoPositionParser() proto.MultiBulkParse {
-	return func(rd *proto.Reader, n int64) (interface{}, error) {
-		var pos GeoPosition
-		var err error
+func geoPosParser(rd *proto.Reader, n int64) (interface{}, error) {
+	var pos GeoPos
+	var err error
 
-		pos.Longitude, err = rd.ReadFloatReply()
-		if err != nil {
-			return nil, err
-		}
-		pos.Latitude, err = rd.ReadFloatReply()
-		if err != nil {
-			return nil, err
-		}
+	pos.Longitude, err = rd.ReadFloatReply()
+	if err != nil {
+		return nil, err
+	}
 
-		return &pos, nil
+	pos.Latitude, err = rd.ReadFloatReply()
+	if err != nil {
+		return nil, err
 	}
+
+	return &pos, nil
 }
 
-func newGeoPositionSliceParser() proto.MultiBulkParse {
-	return func(rd *proto.Reader, n int64) (interface{}, error) {
-		positions := make([]*GeoPosition, 0, n)
-		for i := int64(0); i < n; i++ {
-			v, err := rd.ReadReply(newGeoPositionParser())
-			if err != nil {
-				// response may contain nil results
-				if err == Nil {
-					positions = append(positions, nil)
-					continue
-				}
-				return nil, err
-			}
-			switch vv := v.(type) {
-			case *GeoPosition:
-				positions = append(positions, vv)
-			default:
-				return nil, fmt.Errorf("got %T, expected *GeoPosition", v)
+func geoPosSliceParser(rd *proto.Reader, n int64) (interface{}, error) {
+	positions := make([]*GeoPos, 0, n)
+	for i := int64(0); i < n; i++ {
+		v, err := rd.ReadReply(geoPosParser)
+		if err != nil {
+			if err == Nil {
+				positions = append(positions, nil)
+				continue
 			}
+			return nil, err
+		}
+		switch v := v.(type) {
+		case *GeoPos:
+			positions = append(positions, v)
+		default:
+			return nil, fmt.Errorf("got %T, expected *GeoPos", v)
 		}
-		return positions, nil
 	}
+	return positions, nil
 }
 
 func commandInfoParser(rd *proto.Reader, n int64) (interface{}, error) {