Use net.Conn instead of io.ReadWriteCloser.

README.md

@@ -38,12 +38,12 @@ Example 2:
     import "github.com/vmihailenco/redis"
 
 
-    openConn := func() (io.ReadWriteCloser, error) {
+    openConn := func() (net.Conn, error) {
         fmt.Println("Connecting...")
         return net.Dial("tcp", ":6379")
     }
 
-    closeConn := func(conn io.ReadWriteCloser) error {
+    closeConn := func(conn net.Conn) error {
         fmt.Println("Disconnecting...")
         return nil
     }

connpool.go

@@ -1,8 +1,8 @@
 package redis
 
 import (
-	"io"
 	"log"
+	"net"
 	"os"
 	"sync"
 
@@ -10,11 +10,11 @@ import (
 )
 
 type Conn struct {
-	RW io.ReadWriteCloser
+	RW net.Conn
 	Rd reader
 }
 
-func NewConn(rw io.ReadWriteCloser) *Conn {
+func NewConn(rw net.Conn) *Conn {
 	return &Conn{
 		RW: rw,
 		Rd: bufio.NewReaderSize(rw, 1024),

redis.go

@@ -2,23 +2,22 @@ package redis
 
 import (
 	"crypto/tls"
-	"io"
 	"net"
 	"sync"
 )
 
-type OpenConnFunc func() (io.ReadWriteCloser, error)
-type CloseConnFunc func(io.ReadWriteCloser) error
+type OpenConnFunc func() (net.Conn, error)
+type CloseConnFunc func(net.Conn) error
 type InitConnFunc func(*Client) error
 
 func TCPConnector(addr string) OpenConnFunc {
-	return func() (io.ReadWriteCloser, error) {
+	return func() (net.Conn, error) {
 		return net.Dial("tcp", addr)
 	}
 }
 
 func TLSConnector(addr string, tlsConfig *tls.Config) OpenConnFunc {
-	return func() (io.ReadWriteCloser, error) {
+	return func() (net.Conn, error) {
 		return tls.Dial("tcp", addr, tlsConfig)
 	}
 }

redis_test.go

@@ -3,7 +3,6 @@ package redis_test
 import (
 	"bytes"
 	"fmt"
-	"io"
 	"net"
 	"runtime"
 	"sort"
@@ -41,7 +40,7 @@ func sortStrings(slice []string) []string {
 
 func (t *RedisTest) SetUpTest(c *C) {
 	if t.client == nil {
-		openConn := func() (io.ReadWriteCloser, error) {
+		openConn := func() (net.Conn, error) {
 			t.openedConnCount++
 			return net.Dial("tcp", redisAddr)
 		}
@@ -49,7 +48,7 @@ func (t *RedisTest) SetUpTest(c *C) {
 			t.initedConnCount++
 			return nil
 		}
-		closeConn := func(conn io.ReadWriteCloser) error {
+		closeConn := func(conn net.Conn) error {
 			t.closedConnCount++
 			return nil
 		}