'Fast Golang Router With Error Handling' golang router
is a named parameter that matches a single path segment .Middlewares
Middlewares allow you to extract common functionality into a reusable function, for example, here is how you can write a middleware that logs processed requests: func middleware bunrouter.HandlerFunc { // you can initialize the middleware here // Return the middleware. return func error { rec :=httptest.NewRecorder // Pass the recorder instead of http.ResponseWriter. if err :=next; err !=nil { fmt.Printf, err) // Discard the error. return nil } fmt.Printf, rec.
func errorHandler bunrouter.HandlerFunc { return func error { // Call the next handler on the chain to get the error. err :=next switch err :=err. { case nil: // no error case HTTPError: // already a HTTPError w.WriteHeader _=bunrouter.JSON default: httpErr :=NewHTTPError w.WriteHeader _=bunrouter.
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