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Use Path::is_dir() in fs::read_dir()'s example.

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Basically reverts #25508. The `is_dir()` function has been stable since 1.5.0.
This commit is contained in:
kennytm 2016-05-30 17:12:01 +08:00
parent bf9c60c9a6
commit 048f37254c
1 changed files with 2 additions and 2 deletions
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4
src/libstd/fs.rs
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@ -1338,10 +1338,10 @@ pub fn remove_dir_all<P: AsRef<Path>>(path: P) -> io::Result<()> {
/// ///
/// // one possible implementation of walking a directory only visiting files /// // one possible implementation of walking a directory only visiting files
/// fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> { /// fn visit_dirs(dir: &Path, cb: &Fn(&DirEntry)) -> io::Result<()> {
/// if try!(fs::metadata(dir)).is_dir() { /// if dir.is_dir() {
/// for entry in try!(fs::read_dir(dir)) { /// for entry in try!(fs::read_dir(dir)) {
/// let entry = try!(entry); /// let entry = try!(entry);
/// if try!(fs::metadata(entry.path())).is_dir() { /// if try!(entry.file_type()).is_dir() {
/// try!(visit_dirs(&entry.path(), cb)); /// try!(visit_dirs(&entry.path(), cb));
/// } else { /// } else {
/// cb(&entry); /// cb(&entry);