diff options
Diffstat (limited to 'src/libstd/ffi')
| -rw-r--r-- | src/libstd/ffi/os_str.rs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/libstd/ffi/os_str.rs b/src/libstd/ffi/os_str.rs index 77da97219b1..2f921ce7a5f 100644 --- a/src/libstd/ffi/os_str.rs +++ b/src/libstd/ffi/os_str.rs @@ -379,6 +379,14 @@ impl ops::Index<ops::RangeFull> for OsString { } } +#[stable(feature = "mut_osstr", since = "1.44.0")] +impl ops::IndexMut<ops::RangeFull> for OsString { + #[inline] + fn index_mut(&mut self, _index: ops::RangeFull) -> &mut OsStr { + OsStr::from_inner_mut(self.inner.as_mut_slice()) + } +} + #[stable(feature = "rust1", since = "1.0.0")] impl ops::Deref for OsString { type Target = OsStr; @@ -389,6 +397,14 @@ impl ops::Deref for OsString { } } +#[stable(feature = "mut_osstr", since = "1.44.0")] +impl ops::DerefMut for OsString { + #[inline] + fn deref_mut(&mut self) -> &mut OsStr { + &mut self[..] + } +} + #[stable(feature = "osstring_default", since = "1.9.0")] impl Default for OsString { /// Constructs an empty `OsString`. @@ -512,6 +528,11 @@ impl OsStr { unsafe { &*(inner as *const Slice as *const OsStr) } } + #[inline] + fn from_inner_mut(inner: &mut Slice) -> &mut OsStr { + unsafe { &mut *(inner as *mut Slice as *mut OsStr) } + } + /// Yields a [`&str`] slice if the `OsStr` is valid Unicode. /// /// This conversion may entail doing a check for UTF-8 validity. |