Recommend errors.As instead of type assertion. (#379)

kberov · web-flow · commit 8554e63b991d · 2025-12-31T19:32:36.000+02:00
diff --git a/website/docs/guide/error-handling.md b/website/docs/guide/error-handling.md
@@ -71,7 +71,8 @@ func customHTTPErrorHandler(err error, c echo.Context) {
  	}
 
 	code := http.StatusInternalServerError
-	if he, ok := err.(*echo.HTTPError); ok {
+	var he *echo.HTTPError
+	if errors.As(err, &he) {
 		code = he.Code
 	}
 	c.Logger().Error(err)

Original file line number	Diff line number	Diff line change
`@@ -71,7 +71,8 @@ func customHTTPErrorHandler(err error, c echo.Context) {`
`71`	`71`	`}`
`72`	`72`
`73`	`73`	`code := http.StatusInternalServerError`
`74`		`- if he, ok := err.(*echo.HTTPError); ok {`
	`74`	`+ var he *echo.HTTPError`
	`75`	`+ if errors.As(err, &he) {`
`75`	`76`	`code = he.Code`
`76`	`77`	`}`
`77`	`78`	`c.Logger().Error(err)`