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Use lifetime contravariance to elide more lifetimes in core+alloc+std

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This commit is contained in:
Scott McMurray 2019-03-09 19:10:28 -08:00
parent 26b4cb4848
commit df4ea90b39
19 changed files with 93 additions and 93 deletions
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12
src/libstd/path.rs
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@ -1456,8 +1456,8 @@ impl PathBuf {
}
#[stable(feature = "box_from_path", since = "1.17.0")]
impl<'a> From<&'a Path> for Box<Path> {
fn from(path: &'a Path) -> Box<Path> {
impl From<&Path> for Box<Path> {
fn from(path: &Path) -> Box<Path> {
let boxed: Box<OsStr> = path.inner.into();
let rw = Box::into_raw(boxed) as *mut Path;
unsafe { Box::from_raw(rw) }
@ -1494,8 +1494,8 @@ impl Clone for Box<Path> {
}
#[stable(feature = "rust1", since = "1.0.0")]
impl<'a, T: ?Sized + AsRef<OsStr>> From<&'a T> for PathBuf {
fn from(s: &'a T) -> PathBuf {
impl<T: ?Sized + AsRef<OsStr>> From<&T> for PathBuf {
fn from(s: &T) -> PathBuf {
PathBuf::from(s.as_ref().to_os_string())
}
}
@ -1630,7 +1630,7 @@ impl From<PathBuf> for Arc<Path> {
}
#[stable(feature = "shared_from_slice2", since = "1.24.0")]
impl<'a> From<&'a Path> for Arc<Path> {
impl From<&Path> for Arc<Path> {
/// Converts a Path into a Rc by copying the Path data into a new Rc buffer.
#[inline]
fn from(s: &Path) -> Arc<Path> {
@ -1650,7 +1650,7 @@ impl From<PathBuf> for Rc<Path> {
}
#[stable(feature = "shared_from_slice2", since = "1.24.0")]
impl<'a> From<&'a Path> for Rc<Path> {
impl From<&Path> for Rc<Path> {
/// Converts a Path into a Rc by copying the Path data into a new Rc buffer.
#[inline]
fn from(s: &Path) -> Rc<Path> {