func (req *Request) SetHost(host string) {
	req.URI().SetHost(host)
}
SetHost sets host for the request.
package fasthttp
import (
	"bufio"
	"bytes"
	"errors"
	"fmt"
	"io"
	"mime/multipart"
	"os"
	"sync"
	"github.com/valyala/bytebufferpool"
)
type Request struct {
	noCopy noCopy
	Header RequestHeader
	uri      URI
	postArgs Args
	bodyStream io.Reader
	w          requestBodyWriter
	body       *bytebufferpool.ByteBuffer
	multipartForm         *multipart.Form
	multipartFormBoundary string
	parsedURI      bool
	parsedPostArgs bool
	keepBodyBuffer bool
	isTLS bool
}
type Response struct {
	noCopy noCopy
	Header ResponseHeader
	bodyStream io.Reader
	w          responseBodyWriter
	body       *bytebufferpool.ByteBuffer
	SkipBody bool
	keepBodyBuffer bool
}