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author | Adam Mitha <adam.mitha@gmail.com> | 2021-05-13 20:52:41 -0700 |
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committer | Emmanuel Odeke <emmanuel@orijtech.com> | 2021-05-21 03:21:56 +0000 |
commit | 831573cd21e65c37b4e1bf5d44dc23b125084b7a (patch) | |
tree | 9ca7bbf2049435c09e38414a2d4306abab39d1c0 /src/io | |
parent | baa934d26dd6e201dcda0962dd51b0e5f6f69c1b (diff) | |
download | go-831573cd21e65c37b4e1bf5d44dc23b125084b7a.tar.gz go-831573cd21e65c37b4e1bf5d44dc23b125084b7a.zip |
io/fs: added an example for io/fs.WalkDir
The documentation currently does not show how to get an `FS` instance for the operating system's filesystem. This example demonstrates how to accomplish this using the `os` package.
Fixes #46083
Change-Id: I053111c12ab09ef13f0d04fcdff8a6ea0dccf379
Reviewed-on: https://go-review.googlesource.com/c/go/+/319989
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Trust: Emmanuel Odeke <emmanuel@orijtech.com>
Diffstat (limited to 'src/io')
-rw-r--r-- | src/io/fs/example_test.go | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/io/fs/example_test.go b/src/io/fs/example_test.go new file mode 100644 index 0000000000..c9027034c4 --- /dev/null +++ b/src/io/fs/example_test.go @@ -0,0 +1,25 @@ +// Copyright 2021 The Go Authors. All rights reserved. +// Use of this source code is governed by a BSD-style +// license that can be found in the LICENSE file. + +package fs_test + +import ( + "fmt" + "io/fs" + "log" + "os" +) + +func ExampleWalkDir() { + root := "/usr/local/go/bin" + fileSystem := os.DirFS(root) + + fs.WalkDir(fileSystem, ".", func(path string, d fs.DirEntry, err error) error { + if err != nil { + log.Fatal(err) + } + fmt.Println(path) + return nil + }) +} |