negotiator.go
func (cn *ContentNegotiator) Negotiate(req *http.Request, data interface{}) ([]byte, error) {
	if len(cn.encoderMap) <= 0 {
		panic("No Encoders present. Please add them using ContentNegotiator.AddEncoder()")
	}
	var e = cn.getEncoder(req)
	cn.ResponseWriter.Header().Set("Content-Type", e.ContentType())
	return e.Encode(data)
}
func (cn *ContentNegotiator) Negotiate(req *http.Request, data interface{}) ([]byte, error) {
	if len(cn.encoderMap) <= 0 {
		panic("No Encoders present. Please add them using ContentNegotiator.AddEncoder()")
	}
	var e = cn.getEncoder(req)
	cn.ResponseWriter.Header().Set("Content-Type", e.ContentType())
	return e.Encode(data)
}
func ( cn * ContentNegotiator ) Negotiate ( req * http . Request , data interface { } ) ( [ ] byte , error ) { if len ( cn . encoderMap ) <= 0 { panic ( " " ) } var e = cn . getEncoder ( req ) cn . ResponseWriter . Header ( ) . Set ( " " , e . ContentType ( ) ) return e . Encode ( data ) }
// Negotiate inspects the request for the accept header and
// encodes the response appropriately.
Negotiate inspects the request for the accept header and encodes the response appropriately .