func (u *URI) SetHost(host string) {
	u.host = append(u.host[:0], host...)
	lowercaseBytes(u.host)
}
func (u *URI) SetHost(host string) {
	u.host = append(u.host[:0], host...)
	lowercaseBytes(u.host)
}
func ( u * URI ) SetHost ( host string ) { u . host = append ( u . host [ : 0 ] , host ... ) lowercaseBytes ( u . host ) }
// SetHost sets host for the uri.
SetHost sets host for the uri .