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体验新版 GitCode,发现更多精彩内容 >>
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29676261
编写于
5月 26, 2021
作者:
D
Deadbeef
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差异文件
Document `From` impls in path.rs
上级
cdbe2888
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1
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library/std/src/path.rs
library/std/src/path.rs
+24
-0
未找到文件。
library/std/src/path.rs
浏览文件 @
29676261
...
...
@@ -1420,6 +1420,9 @@ fn clone_from(&mut self, source: &Self) {
#[stable(feature
=
"box_from_path"
,
since
=
"1.17.0"
)]
impl
From
<&
Path
>
for
Box
<
Path
>
{
/// Creates a boxed [`Path`] from a reference.
///
/// This will allocate and clone `path` to it.
fn
from
(
path
:
&
Path
)
->
Box
<
Path
>
{
let
boxed
:
Box
<
OsStr
>
=
path
.inner
.into
();
let
rw
=
Box
::
into_raw
(
boxed
)
as
*
mut
Path
;
...
...
@@ -1429,6 +1432,9 @@ fn from(path: &Path) -> Box<Path> {
#[stable(feature
=
"box_from_cow"
,
since
=
"1.45.0"
)]
impl
From
<
Cow
<
'_
,
Path
>>
for
Box
<
Path
>
{
/// Creates a boxed [`Path`] from a clone-on-write pointer.
///
/// Converting from a `Cow::Owned` does not clone or allocate.
#[inline]
fn
from
(
cow
:
Cow
<
'_
,
Path
>
)
->
Box
<
Path
>
{
match
cow
{
...
...
@@ -1471,6 +1477,9 @@ fn clone(&self) -> Self {
#[stable(feature
=
"rust1"
,
since
=
"1.0.0"
)]
impl
<
T
:
?
Sized
+
AsRef
<
OsStr
>>
From
<&
T
>
for
PathBuf
{
/// Converts a borrowed `OsStr` to a `PathBuf`.
///
/// Allocates a [`PathBuf`] and copies the data into it.
#[inline]
fn
from
(
s
:
&
T
)
->
PathBuf
{
PathBuf
::
from
(
s
.as_ref
()
.to_os_string
())
...
...
@@ -1575,6 +1584,10 @@ fn default() -> Self {
#[stable(feature
=
"cow_from_path"
,
since
=
"1.6.0"
)]
impl
<
'a
>
From
<&
'a
Path
>
for
Cow
<
'a
,
Path
>
{
/// Creates a clone-on-write pointer from a reference to
/// [`Path`].
///
/// This conversion does not clone or allocate.
#[inline]
fn
from
(
s
:
&
'a
Path
)
->
Cow
<
'a
,
Path
>
{
Cow
::
Borrowed
(
s
)
...
...
@@ -1583,6 +1596,10 @@ fn from(s: &'a Path) -> Cow<'a, Path> {
#[stable(feature
=
"cow_from_path"
,
since
=
"1.6.0"
)]
impl
<
'a
>
From
<
PathBuf
>
for
Cow
<
'a
,
Path
>
{
/// Creates a clone-on-write pointer from an owned
/// instance of [`PathBuf`].
///
/// This conversion does not clone or allocate.
#[inline]
fn
from
(
s
:
PathBuf
)
->
Cow
<
'a
,
Path
>
{
Cow
::
Owned
(
s
)
...
...
@@ -1591,6 +1608,10 @@ fn from(s: PathBuf) -> Cow<'a, Path> {
#[stable(feature
=
"cow_from_pathbuf_ref"
,
since
=
"1.28.0"
)]
impl
<
'a
>
From
<&
'a
PathBuf
>
for
Cow
<
'a
,
Path
>
{
/// Creates a clone-on-write pointer from a reference to
/// [`PathBuf`].
///
/// This conversion does not clone or allocate.
#[inline]
fn
from
(
p
:
&
'a
PathBuf
)
->
Cow
<
'a
,
Path
>
{
Cow
::
Borrowed
(
p
.as_path
())
...
...
@@ -1599,6 +1620,9 @@ fn from(p: &'a PathBuf) -> Cow<'a, Path> {
#[stable(feature
=
"pathbuf_from_cow_path"
,
since
=
"1.28.0"
)]
impl
<
'a
>
From
<
Cow
<
'a
,
Path
>>
for
PathBuf
{
/// Converts a clone-on-write pointer to an owned path.
///
/// Converting from a `Cow::Owned` does not clone or allocate.
#[inline]
fn
from
(
p
:
Cow
<
'a
,
Path
>
)
->
Self
{
p
.into_owned
()
...
...
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