Implement `From<&mut {slice}>` for `Box/Rc/Arc<{slice}>`

1 files changed, 27 insertions, 0 deletions

diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs
index 2243f100643..b19d482feaa 100644
--- a/library/std/src/ffi/os_str.rs
+++ b/library/std/src/ffi/os_str.rs
@@ -1225,6 +1225,15 @@ impl From<&OsStr> for Box<OsStr> {
     }
 }
 
+#[stable(feature = "box_from_mut_slice", since = "CURRENT_RUSTC_VERSION")]
+impl From<&mut OsStr> for Box<OsStr> {
+    /// Copies the string into a newly allocated <code>[Box]&lt;[OsStr]&gt;</code>.
+    #[inline]
+    fn from(s: &mut OsStr) -> Box<OsStr> {
+        Self::from(&*s)
+    }
+}
+
 #[stable(feature = "box_from_cow", since = "1.45.0")]
 impl From<Cow<'_, OsStr>> for Box<OsStr> {
     /// Converts a `Cow<'a, OsStr>` into a <code>[Box]&lt;[OsStr]&gt;</code>,
@@ -1296,6 +1305,15 @@ impl From<&OsStr> for Arc<OsStr> {
     }
 }
 
+#[stable(feature = "shared_from_mut_slice", since = "CURRENT_RUSTC_VERSION")]
+impl From<&mut OsStr> for Arc<OsStr> {
+    /// Copies the string into a newly allocated <code>[Arc]&lt;[OsStr]&gt;</code>.
+    #[inline]
+    fn from(s: &mut OsStr) -> Arc<OsStr> {
+        Arc::from(&*s)
+    }
+}
+
 #[stable(feature = "shared_from_slice2", since = "1.24.0")]
 impl From<OsString> for Rc<OsStr> {
     /// Converts an [`OsString`] into an <code>[Rc]<[OsStr]></code> by moving the [`OsString`]
@@ -1317,6 +1335,15 @@ impl From<&OsStr> for Rc<OsStr> {
     }
 }
 
+#[stable(feature = "shared_from_mut_slice", since = "CURRENT_RUSTC_VERSION")]
+impl From<&mut OsStr> for Rc<OsStr> {
+    /// Copies the string into a newly allocated <code>[Rc]&lt;[OsStr]&gt;</code>.
+    #[inline]
+    fn from(s: &mut OsStr) -> Rc<OsStr> {
+        Rc::from(&*s)
+    }
+}
+
 #[stable(feature = "cow_from_osstr", since = "1.28.0")]
 impl<'a> From<OsString> for Cow<'a, OsStr> {
     /// Moves the string into a [`Cow::Owned`].