[−][src]Struct sgx_tstd::path::Path
A slice of a path (akin to str
).
This type supports a number of operations for inspecting a path, including
breaking the path into its components (separated by /
on Unix and by either
/
or \
on Windows), extracting the file name, determining whether the path
is absolute, and so on.
This is an unsized type, meaning that it must always be used behind a
pointer like &
or Box
. For an owned version of this type,
see PathBuf
.
More details about the overall approach can be found in the module documentation.
Methods
impl Path
[src]
pub fn new<S: AsRef<OsStr> + ?Sized>(s: &S) -> &Path
[src]
Directly wraps a string slice as a Path
slice.
This is a cost-free conversion.
pub fn as_os_str(&self) -> &OsStr
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Yields the underlying OsStr
slice.
pub fn to_str(&self) -> Option<&str>
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Yields a &str
slice if the Path
is valid unicode.
This conversion may entail doing a check for UTF-8 validity. Note that validation is performed because non-UTF-8 strings are perfectly valid for some OS.
pub fn to_string_lossy(&self) -> Cow<str>
[src]
Converts a Path
to a Cow<str>
.
Any non-Unicode sequences are replaced with
U+FFFD REPLACEMENT CHARACTER
.
pub fn to_path_buf(&self) -> PathBuf
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Converts a Path
to an owned PathBuf
.
pub fn is_absolute(&self) -> bool
[src]
Returns true
if the Path
is absolute, i.e., if it is independent of
the current directory.
-
On Unix, a path is absolute if it starts with the root, so
is_absolute
and [has_root
] are equivalent. -
On Windows, a path is absolute if it has a prefix and starts with the root:
c:\windows
is absolute, whilec:temp
and\temp
are not.
pub fn is_relative(&self) -> bool
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Returns true
if the Path
is relative, i.e., not absolute.
See [is_absolute
]'s documentation for more details.
pub fn has_root(&self) -> bool
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Returns true
if the Path
has a root.
-
On Unix, a path has a root if it begins with
/
. -
On Windows, a path has a root if it:
- has no prefix and begins with a separator, e.g.,
\windows
- has a prefix followed by a separator, e.g.,
c:\windows
but notc:windows
- has any non-disk prefix, e.g.,
\\server\share
- has no prefix and begins with a separator, e.g.,
pub fn parent(&self) -> Option<&Path>
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Returns the Path
without its final component, if there is one.
Returns None
if the path terminates in a root or prefix.
pub fn ancestors(&self) -> Ancestors
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Produces an iterator over Path
and its ancestors.
The iterator will yield the Path
that is returned if the [parent
] method is used zero
or more times. That means, the iterator will yield &self
, &self.parent().unwrap()
,
&self.parent().unwrap().parent().unwrap()
and so on. If the [parent
] method returns
None
, the iterator will do likewise. The iterator will always yield at least one value,
namely &self
.
pub fn file_name(&self) -> Option<&OsStr>
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Returns the final component of the Path
, if there is one.
If the path is a normal file, this is the file name. If it's the path of a directory, this is the directory name.
Returns None
if the path terminates in ..
.
pub fn strip_prefix<P>(&self, base: P) -> Result<&Path, StripPrefixError> where
P: AsRef<Path>,
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P: AsRef<Path>,
Returns a path that, when joined onto base
, yields self
.
Errors
If base
is not a prefix of self
(i.e., starts_with
returns false
), returns Err
.
pub fn starts_with<P: AsRef<Path>>(&self, base: P) -> bool
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Determines whether base
is a prefix of self
.
Only considers whole path components to match.
pub fn ends_with<P: AsRef<Path>>(&self, child: P) -> bool
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Determines whether child
is a suffix of self
.
Only considers whole path components to match.
pub fn file_stem(&self) -> Option<&OsStr>
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Extracts the stem (non-extension) portion of self.file_name
.
The stem is:
None
, if there is no file name;- The entire file name if there is no embedded
.
; - The entire file name if the file name begins with
.
and has no other.
s within; - Otherwise, the portion of the file name before the final
.
pub fn extension(&self) -> Option<&OsStr>
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Extracts the extension of self.file_name
, if possible.
The extension is:
pub fn join<P: AsRef<Path>>(&self, path: P) -> PathBuf
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Creates an owned PathBuf
with path
adjoined to self
.
See PathBuf::push
for more details on what it means to adjoin a path.
pub fn with_file_name<S: AsRef<OsStr>>(&self, file_name: S) -> PathBuf
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Creates an owned PathBuf
like self
but with the given file name.
See PathBuf::set_file_name
for more details.
pub fn with_extension<S: AsRef<OsStr>>(&self, extension: S) -> PathBuf
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Creates an owned PathBuf
like self
but with the given extension.
See PathBuf::set_extension
for more details.
pub fn components(&self) -> Components
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Produces an iterator over the Component
s of the path.
When parsing the path, there is a small amount of normalization:
-
Repeated separators are ignored, so
a/b
anda//b
both havea
andb
as components. -
Occurrences of
.
are normalized away, except if they are at the beginning of the path. For example,a/./b
,a/b/
,a/b/.
anda/b
all havea
andb
as components, but./a/b
starts with an additional [CurDir
] component. -
A trailing slash is normalized away,
/a/b
and/a/b/
are equivalent.
Note that no other normalization takes place; in particular, a/c
and a/b/../c
are distinct, to account for the possibility that b
is a symbolic link (so its parent isn't a
).
pub fn iter(&self) -> Iter
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Produces an iterator over the path's components viewed as OsStr
slices.
For more information about the particulars of how the path is separated
into components, see components
.
pub fn display(&self) -> Display
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Returns an object that implements Display
for safely printing paths
that may contain non-Unicode data.
pub fn into_path_buf(self: Box<Path>) -> PathBuf
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Trait Implementations
impl AsRef<OsStr> for Path
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impl<'_> AsRef<Path> for Component<'_>
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impl<'_> AsRef<Path> for Components<'_>
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impl<'_> AsRef<Path> for Iter<'_>
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impl AsRef<Path> for Path
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impl AsRef<Path> for OsStr
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impl<'_> AsRef<Path> for Cow<'_, OsStr>
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impl AsRef<Path> for OsString
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impl AsRef<Path> for str
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impl AsRef<Path> for String
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impl AsRef<Path> for PathBuf
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impl Borrow<Path> for PathBuf
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impl Debug for Path
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impl Eq for Path
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impl<'_> From<&'_ Path> for Box<Path>
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impl<'_> From<&'_ Path> for Arc<Path>
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fn from(s: &Path) -> Arc<Path>
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Converts a Path
into an Arc
by copying the Path
data into a new Arc
buffer.
impl<'_> From<&'_ Path> for Rc<Path>
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fn from(s: &Path) -> Rc<Path>
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Converts a Path
into an Rc
by copying the Path
data into a new Rc
buffer.
impl<'a> From<&'a Path> for Cow<'a, Path>
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impl Hash for Path
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fn hash<H: Hasher>(&self, h: &mut H)
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fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,
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H: Hasher,
impl<'a> IntoIterator for &'a Path
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type Item = &'a OsStr
The type of the elements being iterated over.
type IntoIter = Iter<'a>
Which kind of iterator are we turning this into?
fn into_iter(self) -> Iter<'a>
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impl Ord for Path
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fn cmp(&self, other: &Path) -> Ordering
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#[must_use]fn max(self, other: Self) -> Self
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#[must_use]fn min(self, other: Self) -> Self
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#[must_use]fn clamp(self, min: Self, max: Self) -> Self
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impl<'a, 'b> PartialEq<&'a OsStr> for Path
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impl<'a, 'b> PartialEq<&'a Path> for PathBuf
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impl<'a, 'b> PartialEq<&'a Path> for OsStr
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impl<'a, 'b> PartialEq<&'a Path> for Cow<'b, OsStr>
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impl<'a, 'b> PartialEq<&'a Path> for OsString
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impl<'a, 'b> PartialEq<&'b Path> for Cow<'a, Path>
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impl<'a, 'b> PartialEq<Cow<'a, OsStr>> for Path
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fn eq(&self, other: &Cow<'a, OsStr>) -> bool
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#[must_use]fn ne(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialEq<Cow<'a, Path>> for Path
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fn eq(&self, other: &Cow<'a, Path>) -> bool
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#[must_use]fn ne(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialEq<Cow<'a, Path>> for &'b Path
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fn eq(&self, other: &Cow<'a, Path>) -> bool
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#[must_use]fn ne(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialEq<Cow<'b, OsStr>> for &'a Path
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fn eq(&self, other: &Cow<'b, OsStr>) -> bool
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#[must_use]fn ne(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialEq<OsStr> for Path
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impl<'a, 'b> PartialEq<OsStr> for &'a Path
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impl<'a, 'b> PartialEq<OsString> for Path
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impl<'a, 'b> PartialEq<OsString> for &'a Path
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impl PartialEq<Path> for Path
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impl<'a, 'b> PartialEq<Path> for PathBuf
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impl<'a, 'b> PartialEq<Path> for Cow<'a, Path>
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impl<'a, 'b> PartialEq<Path> for OsStr
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impl<'a, 'b> PartialEq<Path> for &'a OsStr
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impl<'a, 'b> PartialEq<Path> for Cow<'a, OsStr>
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impl<'a, 'b> PartialEq<Path> for OsString
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impl<'a, 'b> PartialEq<PathBuf> for Path
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impl<'a, 'b> PartialEq<PathBuf> for &'a Path
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impl<'a, 'b> PartialOrd<&'a OsStr> for Path
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fn partial_cmp(&self, other: &&'a OsStr) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<&'a Path> for PathBuf
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fn partial_cmp(&self, other: &&'a Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<&'a Path> for OsStr
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fn partial_cmp(&self, other: &&'a Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<&'a Path> for Cow<'b, OsStr>
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fn partial_cmp(&self, other: &&'a Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<&'a Path> for OsString
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fn partial_cmp(&self, other: &&'a Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<&'b Path> for Cow<'a, Path>
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fn partial_cmp(&self, other: &&'b Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Cow<'a, OsStr>> for Path
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fn partial_cmp(&self, other: &Cow<'a, OsStr>) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for Path
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fn partial_cmp(&self, other: &Cow<'a, Path>) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Cow<'a, Path>> for &'b Path
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fn partial_cmp(&self, other: &Cow<'a, Path>) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Cow<'b, OsStr>> for &'a Path
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fn partial_cmp(&self, other: &Cow<'b, OsStr>) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<OsStr> for Path
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fn partial_cmp(&self, other: &OsStr) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<OsStr> for &'a Path
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fn partial_cmp(&self, other: &OsStr) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<OsString> for Path
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fn partial_cmp(&self, other: &OsString) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<OsString> for &'a Path
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fn partial_cmp(&self, other: &OsString) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl PartialOrd<Path> for Path
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fn partial_cmp(&self, other: &Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Path> for PathBuf
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fn partial_cmp(&self, other: &Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Path> for Cow<'a, Path>
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fn partial_cmp(&self, other: &Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Path> for OsStr
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fn partial_cmp(&self, other: &Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Path> for &'a OsStr
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fn partial_cmp(&self, other: &Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Path> for Cow<'a, OsStr>
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fn partial_cmp(&self, other: &Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<Path> for OsString
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fn partial_cmp(&self, other: &Path) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<PathBuf> for Path
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fn partial_cmp(&self, other: &PathBuf) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl<'a, 'b> PartialOrd<PathBuf> for &'a Path
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fn partial_cmp(&self, other: &PathBuf) -> Option<Ordering>
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#[must_use]fn lt(&self, other: &Rhs) -> bool
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#[must_use]fn le(&self, other: &Rhs) -> bool
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#[must_use]fn gt(&self, other: &Rhs) -> bool
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#[must_use]fn ge(&self, other: &Rhs) -> bool
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impl PathEx for Path
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fn metadata(&self) -> Result<Metadata>
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Queries the file system to get information about a file, directory, etc.
This function will traverse symbolic links to query information about the destination file.
This is an alias to fs::metadata
.
fn symlink_metadata(&self) -> Result<Metadata>
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Queries the metadata about a file without following symlinks.
This is an alias to fs::symlink_metadata
.
fn canonicalize(&self) -> Result<PathBuf>
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Returns the canonical form of the path with all intermediate components normalized and symbolic links resolved.
This is an alias to fs::canonicalize
.
fn read_link(&self) -> Result<PathBuf>
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Reads a symbolic link, returning the file that the link points to.
This is an alias to fs::read_link
.
fn read_dir(&self) -> Result<ReadDir>
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fn exists(&self) -> bool
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Returns whether the path points at an existing entity.
This function will traverse symbolic links to query information about the
destination file. In case of broken symbolic links this will return false
.
If you cannot access the directory containing the file, e.g. because of a
permission error, this will return false
.
fn is_file(&self) -> bool
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Returns whether the path exists on disk and is pointing at a regular file.
This function will traverse symbolic links to query information about the
destination file. In case of broken symbolic links this will return false
.
If you cannot access the directory containing the file, e.g. because of a
permission error, this will return false
.
fn is_dir(&self) -> bool
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Returns whether the path exists on disk and is pointing at a directory.
This function will traverse symbolic links to query information about the
destination file. In case of broken symbolic links this will return false
.
If you cannot access the directory containing the file, e.g. because of a
permission error, this will return false
.
impl ToOwned for Path
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Auto Trait Implementations
impl RefUnwindSafe for Path
impl Send for Path
impl Sync for Path
impl Unpin for Path
impl UnwindSafe for Path
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
type Owned = T
The resulting type after obtaining ownership.