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| author | Jakob Degen <jakob@degen.com> | 2022-01-20 04:54:03 -0500 |
|---|---|---|
| committer | Jakob Degen <jakob@degen.com> | 2022-01-20 04:54:03 -0500 |
| commit | 7bc47cfd92eefa54a88d20a6dff9d7445a7996df (patch) | |
| tree | fba84e979a3f65dd4a558fcba26af6c6da0ba8d5 /library/std/src/ffi | |
| parent | 237949b6c8e5b387e0a9d1e7a22e0397c95fe488 (diff) | |
| download | rust-7bc47cfd92eefa54a88d20a6dff9d7445a7996df.tar.gz rust-7bc47cfd92eefa54a88d20a6dff9d7445a7996df.zip | |
Correct docs in `Arc` and `Rc`.
A number of trait implementations incorrectly claimed to be zero cost.
Diffstat (limited to 'library/std/src/ffi')
| -rw-r--r-- | library/std/src/ffi/c_str.rs | 6 | ||||
| -rw-r--r-- | library/std/src/ffi/os_str.rs | 6 |
2 files changed, 8 insertions, 4 deletions
diff --git a/library/std/src/ffi/c_str.rs b/library/std/src/ffi/c_str.rs index d859bff1a45..66fee2fe548 100644 --- a/library/std/src/ffi/c_str.rs +++ b/library/std/src/ffi/c_str.rs @@ -973,7 +973,8 @@ impl<'a> From<&'a CString> for Cow<'a, CStr> { #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<CString> for Arc<CStr> { - /// Converts a [`CString`] into an <code>[Arc]<[CStr]></code> without copying or allocating. + /// Converts a [`CString`] into an <code>[Arc]<[CStr]></code> by moving the [`CString`] + /// data into a new [`Arc`] buffer. #[inline] fn from(s: CString) -> Arc<CStr> { let arc: Arc<[u8]> = Arc::from(s.into_inner()); @@ -992,7 +993,8 @@ impl From<&CStr> for Arc<CStr> { #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<CString> for Rc<CStr> { - /// Converts a [`CString`] into an <code>[Rc]<[CStr]></code> without copying or allocating. + /// Converts a [`CString`] into an <code>[Rc]<[CStr]></code> by moving the [`CString`] + /// data into a new [`Arc`] buffer. #[inline] fn from(s: CString) -> Rc<CStr> { let rc: Rc<[u8]> = Rc::from(s.into_inner()); diff --git a/library/std/src/ffi/os_str.rs b/library/std/src/ffi/os_str.rs index 982ad189878..81f72e34d93 100644 --- a/library/std/src/ffi/os_str.rs +++ b/library/std/src/ffi/os_str.rs @@ -989,7 +989,8 @@ impl Clone for Box<OsStr> { #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<OsString> for Arc<OsStr> { - /// Converts an [`OsString`] into an <code>[Arc]<[OsStr]></code> without copying or allocating. + /// Converts an [`OsString`] into an <code>[Arc]<[OsStr]></code> by moving the [`OsString`] + /// data into a new [`Arc`] buffer. #[inline] fn from(s: OsString) -> Arc<OsStr> { let arc = s.inner.into_arc(); @@ -1008,7 +1009,8 @@ impl From<&OsStr> for Arc<OsStr> { #[stable(feature = "shared_from_slice2", since = "1.24.0")] impl From<OsString> for Rc<OsStr> { - /// Converts an [`OsString`] into an <code>[Rc]<[OsStr]></code> without copying or allocating. + /// Converts an [`OsString`] into an <code>[Rc]<[OsStr]></code> by moving the [`OsString`] + /// data into a new [`Rc`] buffer. #[inline] fn from(s: OsString) -> Rc<OsStr> { let rc = s.inner.into_rc(); |