From: Eli Bendersky <eliben@golang.org>
Date: Tue, 29 Jun 2021 23:31:18 +0000 (-0700)
Subject: os: change example to avoid deprecated function
X-Git-Tag: go1.17rc1~28
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=0fa3265fe14c775668fc8272f47adf4fbaa60bac;p=gostls13.git

os: change example to avoid deprecated function

The IsNotExist function is deprecated; change package example to avoid
it and use the recommended way instead.

Fixes #46976

Change-Id: I3c301d0a89b6bda42184df314ba8418062ca39ee
Reviewed-on: https://go-review.googlesource.com/c/go/+/331692
Trust: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Robert Griesemer <gri@golang.org>
---

diff --git a/src/os/example_test.go b/src/os/example_test.go
index 3adce51784..e8554b0b12 100644
--- a/src/os/example_test.go
+++ b/src/os/example_test.go
@@ -5,6 +5,7 @@
 package os_test
 
 import (
+	"errors"
 	"fmt"
 	"io/fs"
 	"log"
@@ -71,9 +72,9 @@ func ExampleFileMode() {
 	}
 }
 
-func ExampleIsNotExist() {
+func ExampleErrNotExist() {
 	filename := "a-nonexistent-file"
-	if _, err := os.Stat(filename); os.IsNotExist(err) {
+	if _, err := os.Stat(filename); errors.Is(err, fs.ErrNotExist) {
 		fmt.Println("file does not exist")
 	}
 	// Output: