fix #1783

context/context.go

@@ -24,13 +24,11 @@ package context
 
 import (
 	"bufio"
-	"bytes"
 	"crypto/hmac"
 	"crypto/sha1"
 	"encoding/base64"
 	"errors"
 	"fmt"
-	"io"
 	"net"
 	"net/http"
 	"strconv"
@@ -195,14 +193,6 @@ func (r *Response) Write(p []byte) (int, error) {
 	return r.ResponseWriter.Write(p)
 }
 
-// Copy writes the data to the connection as part of an HTTP reply,
-// and sets `started` to true.
-// started means the response has sent out.
-func (r *Response) Copy(buf *bytes.Buffer) (int64, error) {
-	r.Started = true
-	return io.Copy(r.ResponseWriter, buf)
-}
-
 // WriteHeader sends an HTTP response header with status code,
 // and sets `started` to true.
 func (r *Response) WriteHeader(code int) {