output

type Builder interface {
	// WithEncoder sets default content-type and PayloadEncoder that serializes
	// objects into io.Writer in that content-type.
	WithEncoder(ct string, encFunc PayloadEncoder) Builder
	// WithErrorMapper registers mapping function that can customize error response
	WithErrorMapper(mapper ErrorMapper) Builder
	// Build creates new Interface using current state of this Builder.
	Build() Interface
}

type ErrorMapper func(w http.ResponseWriter, err error) bool

type Interface interface {
	// SendWithStatus sends object back to client with given status code.
	// If object to be send is error, then registered ErrorMappers can influence output instead.
	SendWithStatus(w http.ResponseWriter, v interface{}, status int)
	// SendBytes sends raw bytes to output, assuming content-type of current encoder
	SendBytes(w http.ResponseWriter, data []byte)
}

type PayloadEncoder func(w io.Writer, objToWrite interface{}) error