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os: update examples to use errors.Is instead of deprecated helpers #78514

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os: update examples to use errors.Is instead of deprecated helpers #78514

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4 changes: 2 additions & 2 deletions src/os/example_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -246,7 +246,7 @@ func ExampleWriteFile() {

func ExampleMkdir() {
err := os.Mkdir("testdir", 0750)
if err != nil && !os.IsExist(err) {
if err != nil && !errors.Is(err, fs.ErrExist) {
log.Fatal(err)
}
err = os.WriteFile("testdir/testfile.txt", []byte("Hello, Gophers!"), 0660)
Expand Down Expand Up @@ -365,7 +365,7 @@ func ExampleUserConfigDir() {
configPath = filepath.Join(dir, "ExampleUserConfigDir", "example.conf")
var err error
origConfig, err = os.ReadFile(configPath)
if err != nil && !os.IsNotExist(err) {
if err != nil && !errors.Is(err, fs.ErrNotExist) {
// The user has a config file but we couldn't read it.
// Report the error instead of ignoring their configuration.
log.Fatal(err)
Expand Down