all: add String for fs.{FileInfo,DirEntry} implementations

The new String methods use the new FormatFileInfo and
FormatDirEntry functions.

Fixes #54451

Change-Id: I414cdfc212ec3c316fb2734756d2117842a23631
Reviewed-on: https://go-review.googlesource.com/c/go/+/491175
Reviewed-by: Joseph Tsai <joetsai@digital-static.net>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Bryan Mills <bcmills@google.com>

2 files changed, 8 insertions, 0 deletions

diff --git a/src/path/filepath/path.go b/src/path/filepath/path.go
index 8382ad5f3b..9772de4342 100644
--- a/src/path/filepath/path.go
+++ b/src/path/filepath/path.go
@@ -553,6 +553,10 @@ func (d *statDirEntry) IsDir() bool                { return d.info.IsDir() }
 func (d *statDirEntry) Type() fs.FileMode          { return d.info.Mode().Type() }
 func (d *statDirEntry) Info() (fs.FileInfo, error) { return d.info, nil }
 
+func (d *statDirEntry) String() string {
+	return fs.FormatDirEntry(d)
+}
+
 // Walk walks the file tree rooted at root, calling fn for each file or
 // directory in the tree, including root.
 //
diff --git a/src/path/filepath/path_test.go b/src/path/filepath/path_test.go
index 0c73e288e5..469a107d14 100644
--- a/src/path/filepath/path_test.go
+++ b/src/path/filepath/path_test.go
@@ -571,6 +571,10 @@ func (d *statDirEntry) IsDir() bool                { return d.info.IsDir() }
 func (d *statDirEntry) Type() fs.FileMode          { return d.info.Mode().Type() }
 func (d *statDirEntry) Info() (fs.FileInfo, error) { return d.info, nil }
 
+func (d *statDirEntry) String() string {
+	return fs.FormatDirEntry(d)
+}
+
 func TestWalkDir(t *testing.T) {
 	testWalk(t, filepath.WalkDir, 2)
 }