Make pointer::byte_offset_from more generic

tcdi · Oct 24, 2022 · 57c824a · 57c824a
1 parent 525a17e
commit 57c824a
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Showing 2 changed files with 2 additions and 2 deletions.
diff --git a/core/src/ptr/const_ptr.rs b/core/src/ptr/const_ptr.rs
@@ -684,7 +684,7 @@ impl<T: ?Sized> *const T {
     #[unstable(feature = "pointer_byte_offsets", issue = "96283")]
     #[rustc_const_unstable(feature = "const_pointer_byte_offsets", issue = "96283")]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
-    pub const unsafe fn byte_offset_from(self, origin: *const T) -> isize {
+    pub const unsafe fn byte_offset_from<U: ?Sized>(self, origin: *const U) -> isize {
         // SAFETY: the caller must uphold the safety contract for `offset_from`.
         unsafe { self.cast::<u8>().offset_from(origin.cast::<u8>()) }
     }

diff --git a/core/src/ptr/mut_ptr.rs b/core/src/ptr/mut_ptr.rs
@@ -861,7 +861,7 @@ impl<T: ?Sized> *mut T {
     #[unstable(feature = "pointer_byte_offsets", issue = "96283")]
     #[rustc_const_unstable(feature = "const_pointer_byte_offsets", issue = "96283")]
     #[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
-    pub const unsafe fn byte_offset_from(self, origin: *const T) -> isize {
+    pub const unsafe fn byte_offset_from<U: ?Sized>(self, origin: *const U) -> isize {
         // SAFETY: the caller must uphold the safety contract for `offset_from`.
         unsafe { self.cast::<u8>().offset_from(origin.cast::<u8>()) }
     }