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78 changes: 40 additions & 38 deletions src/libstd/path.rs
Original file line number Diff line number Diff line change
Expand Up @@ -1247,9 +1247,10 @@ impl Path {
/// ```
/// use std::path::Path;
///
/// let s = String::from("bar.txt");
/// let p = Path::new(&s);
/// Path::new(&p);
/// let string = String::from("foo.txt");
/// let from_string = Path::new(&string);
/// let from_path = Path::new(&from_string);
/// assert_eq!(from_string, from_path);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn new<S: AsRef<OsStr> + ?Sized>(s: &S) -> &Path {
Expand All @@ -1264,6 +1265,7 @@ impl Path {
/// use std::path::Path;
///
/// let os_str = Path::new("foo.txt").as_os_str();
/// assert_eq!(os_str, std::ffi::OsStr::new("foo.txt"));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn as_os_str(&self) -> &OsStr {
Expand All @@ -1280,6 +1282,7 @@ impl Path {
/// use std::path::Path;
///
/// let path_str = Path::new("foo.txt").to_str();
//// assert_eq!(path_str, Some("foo.txt"));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn to_str(&self) -> Option<&str> {
Expand All @@ -1296,6 +1299,7 @@ impl Path {
/// use std::path::Path;
///
/// let path_str = Path::new("foo.txt").to_string_lossy();
/// assert_eq!(path_str, "foo.txt");
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn to_string_lossy(&self) -> Cow<str> {
Expand All @@ -1309,7 +1313,8 @@ impl Path {
/// ```
/// use std::path::Path;
///
/// let path_str = Path::new("foo.txt").to_path_buf();
/// let path_buf = Path::new("foo.txt").to_path_buf();
/// assert_eq!(path_buf, std::path::PathBuf::from("foo.txt"));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn to_path_buf(&self) -> PathBuf {
Expand All @@ -1330,7 +1335,7 @@ impl Path {
/// ```
/// use std::path::Path;
///
/// assert_eq!(false, Path::new("foo.txt").is_absolute());
/// assert!(!Path::new("foo.txt").is_absolute());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn is_absolute(&self) -> bool {
Expand Down Expand Up @@ -1393,14 +1398,12 @@ impl Path {
/// use std::path::Path;
///
/// let path = Path::new("/foo/bar");
/// let foo = path.parent().unwrap();
/// let parent = path.parent().unwrap();
/// assert_eq!(parent, Path::new("/foo"));
///
/// assert!(foo == Path::new("/foo"));
///
/// let root = foo.parent().unwrap();
///
/// assert!(root == Path::new("/"));
/// assert!(root.parent() == None);
/// let grand_parent = parent.parent().unwrap();
/// assert_eq!(grand_parent, Path::new("/"));
/// assert_eq!(grand_parent.parent(), None);
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn parent(&self) -> Option<&Path> {
Expand All @@ -1416,18 +1419,19 @@ impl Path {

/// The final component of the path, if it is a normal file.
///
/// If the path terminates in `.`, `..`, or consists solely or a root of
/// If the path terminates in `.`, `..`, or consists solely of a root of
/// prefix, `file_name` will return `None`.
///
/// # Examples
///
/// ```
/// use std::path::Path;
/// use std::ffi::OsStr;
///
/// let path = Path::new("hello_world.rs");
/// let filename = "hello_world.rs";
/// let path = Path::new("foo.txt");
/// let os_str = OsStr::new("foo.txt");
///
/// assert_eq!(filename, path.file_name().unwrap());
/// assert_eq!(Some(os_str), path.file_name());
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn file_name(&self) -> Option<&OsStr> {
Expand Down Expand Up @@ -1538,11 +1542,9 @@ impl Path {
/// # Examples
///
/// ```
/// use std::path::Path;
///
/// let path = Path::new("/tmp");
/// use std::path::{Path, PathBuf};
///
/// let new_path = path.join("foo");
/// assert_eq!(Path::new("/etc").join("passwd"), PathBuf::from("/etc/passwd"));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn join<P: AsRef<Path>>(&self, path: P) -> PathBuf {
Expand All @@ -1558,11 +1560,10 @@ impl Path {
/// # Examples
///
/// ```
/// use std::path::Path;
///
/// let path = Path::new("/tmp/foo.rs");
/// use std::path::{Path, PathBuf};
///
/// let new_path = path.with_file_name("bar.rs");
/// let path = Path::new("/tmp/foo.txt");
/// assert_eq!(path.with_file_name("bar.txt"), PathBuf::from("/tmp/bar.txt"));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn with_file_name<S: AsRef<OsStr>>(&self, file_name: S) -> PathBuf {
Expand All @@ -1580,10 +1581,8 @@ impl Path {
/// ```
/// use std::path::{Path, PathBuf};
///
/// let path = Path::new("/tmp/foo.rs");
///
/// let new_path = path.with_extension("txt");
/// assert_eq!(new_path, PathBuf::from("/tmp/foo.txt"));
/// let path = Path::new("foo.rs");
/// assert_eq!(path.with_extension("txt"), PathBuf::from("foo.txt"));
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn with_extension<S: AsRef<OsStr>>(&self, extension: S) -> PathBuf {
Expand All @@ -1597,13 +1596,15 @@ impl Path {
/// # Examples
///
/// ```
/// use std::path::Path;
/// use std::path::{Path, Component};
/// use std::ffi::OsStr;
///
/// let path = Path::new("/tmp/foo.rs");
/// let mut components = Path::new("/tmp/foo.txt").components();
///
/// for component in path.components() {
/// println!("{:?}", component);
/// }
/// assert_eq!(components.next(), Some(Component::RootDir));
/// assert_eq!(components.next(), Some(Component::Normal(OsStr::new("tmp"))));
/// assert_eq!(components.next(), Some(Component::Normal(OsStr::new("foo.txt"))));
/// assert_eq!(components.next(), None)
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn components(&self) -> Components {
Expand All @@ -1623,12 +1624,13 @@ impl Path {
///
/// ```
/// use std::path::Path;
/// use std::ffi::OsStr;
///
/// let path = Path::new("/tmp/foo.rs");
///
/// for component in path.iter() {
/// println!("{:?}", component);
/// }
/// let mut it = Path::new("/tmp/foo.txt").iter();
/// assert_eq!(it.next(), Some(OsStr::new("/")));
/// assert_eq!(it.next(), Some(OsStr::new("tmp")));
/// assert_eq!(it.next(), Some(OsStr::new("foo.txt")));
/// assert_eq!(it.next(), None)
/// ```
#[stable(feature = "rust1", since = "1.0.0")]
pub fn iter(&self) -> Iter {
Expand Down