Function Handler

net/http/httpjson/handler.go:32–41

Handler returns an HTTP handler for function f. See the package doc for details on allowed signatures for f. If f returns a non-nil error, the handler will call errFunc.

(f interface{}, errFunc ErrorWriter)

// See the package doc for details on allowed signatures for f.
// If f returns a non-nil error, the handler will call errFunc.
func Handler(f interface{}, errFunc ErrorWriter) (http.Handler, error) {
	fv := reflect.ValueOf(f)
	hasCtx, inType, err := funcInputType(fv)
	if err != nil {
		return nil, err
	}

	h := &handler{fv, inType, hasCtx, errFunc}
	return h, nil
}

func (h *handler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
	var a []reflect.Value