From 29be2338e80dcca27938e5d23b1a4e5dafff9953 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?M=2E=20Efe=20=C3=87etin?= <efectn@protonmail.com>
Date: Mon, 4 Jul 2022 10:15:17 +0300
Subject: [PATCH] =?UTF-8?q?=E2=99=BB=EF=B8=8F=20refactor:=20default=20erro?=
 =?UTF-8?q?r=20handler=20&=20example=20(#1941)?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

* :recycle: refactor: default error handler & example

* ♻️ refactor: default error handler & example
---
 app.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/app.go b/app.go
index 63957ab3ff..7bbc2d4586 100644
--- a/app.go
+++ b/app.go
@@ -76,7 +76,8 @@ type Storage interface {
 //  cfg := fiber.Config{}
 //  cfg.ErrorHandler = func(c *Ctx, err error) error {
 //   code := StatusInternalServerError
-//   if e, ok := err.(*Error); ok {
+//   var e *fiber.Error
+//   if errors.As(err, &e) {
 //     code = e.Code
 //   }
 //   c.Set(HeaderContentType, MIMETextPlainCharsetUTF8)
@@ -433,7 +434,8 @@ const (
 // DefaultErrorHandler that process return errors from handlers
 var DefaultErrorHandler = func(c *Ctx, err error) error {
 	code := StatusInternalServerError
-	if e, ok := err.(*Error); ok {
+	var e *Error
+	if errors.As(err, &e) {
 		code = e.Code
 	}
 	c.Set(HeaderContentType, MIMETextPlainCharsetUTF8)