func (c *CompressingResponseWriter) Close() {
	c.compressor.Close()
}
Close the underlying compressor
package restful
import (
	"compress/gzip"
	"compress/zlib"
	"errors"
	"io"
	"net/http"
	"strings"
)
var EnableContentEncoding = false
type CompressingResponseWriter struct {
	writer     http.ResponseWriter
	compressor io.WriteCloser
}
func (c *CompressingResponseWriter) Header() http.Header {
	return c.writer.Header()
}
func (c *CompressingResponseWriter) WriteHeader(status int) {
	c.writer.WriteHeader(status)
}
func (c *CompressingResponseWriter) Write(bytes []byte) (int, error) {
	return c.compressor.Write(bytes)
}
func (c *CompressingResponseWriter) CloseNotify() <-chan bool {
	return c.writer.(http.CloseNotifier).CloseNotify()
}