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Auto merge of #85218 - kornelski:pointerinline, r=scottmcm
#[inline(always)] on basic pointer methods Retryng #85201 with only inlining pointer methods. The goal is to make pointers behave just like pointers in O0, mainly to reduce overhead in debug builds. cc `@scottmcm`
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31bd868c39
@ -42,7 +42,7 @@ impl<T: ?Sized> *mut T {
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/// Casts to a pointer of another type.
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#[stable(feature = "ptr_cast", since = "1.38.0")]
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#[rustc_const_stable(feature = "const_ptr_cast", since = "1.38.0")]
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#[inline]
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#[inline(always)]
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pub const fn cast<U>(self) -> *mut U {
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self as _
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}
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@ -551,7 +551,7 @@ impl<T: ?Sized> *mut T {
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/// ```
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#[stable(feature = "ptr_offset_from", since = "1.47.0")]
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#[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "41079")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn offset_from(self, origin: *const T) -> isize
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where
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T: Sized,
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@ -859,7 +859,7 @@ impl<T: ?Sized> *mut T {
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/// [`ptr::read`]: crate::ptr::read()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[rustc_const_unstable(feature = "const_ptr_read", issue = "80377")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn read(self) -> T
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where
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T: Sized,
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@ -879,7 +879,7 @@ impl<T: ?Sized> *mut T {
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///
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/// [`ptr::read_volatile`]: crate::ptr::read_volatile()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub unsafe fn read_volatile(self) -> T
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where
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T: Sized,
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@ -898,7 +898,7 @@ impl<T: ?Sized> *mut T {
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/// [`ptr::read_unaligned`]: crate::ptr::read_unaligned()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[rustc_const_unstable(feature = "const_ptr_read", issue = "80377")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn read_unaligned(self) -> T
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where
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T: Sized,
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@ -917,7 +917,7 @@ impl<T: ?Sized> *mut T {
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/// [`ptr::copy`]: crate::ptr::copy()
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#[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn copy_to(self, dest: *mut T, count: usize)
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where
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T: Sized,
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@ -936,7 +936,7 @@ impl<T: ?Sized> *mut T {
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/// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping()
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#[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn copy_to_nonoverlapping(self, dest: *mut T, count: usize)
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where
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T: Sized,
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@ -955,7 +955,7 @@ impl<T: ?Sized> *mut T {
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/// [`ptr::copy`]: crate::ptr::copy()
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#[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn copy_from(self, src: *const T, count: usize)
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where
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T: Sized,
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@ -974,7 +974,7 @@ impl<T: ?Sized> *mut T {
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/// [`ptr::copy_nonoverlapping`]: crate::ptr::copy_nonoverlapping()
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#[rustc_const_unstable(feature = "const_intrinsic_copy", issue = "80697")]
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn copy_from_nonoverlapping(self, src: *const T, count: usize)
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where
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T: Sized,
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@ -989,7 +989,7 @@ impl<T: ?Sized> *mut T {
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///
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/// [`ptr::drop_in_place`]: crate::ptr::drop_in_place()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub unsafe fn drop_in_place(self) {
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// SAFETY: the caller must uphold the safety contract for `drop_in_place`.
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unsafe { drop_in_place(self) }
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@ -1003,7 +1003,7 @@ impl<T: ?Sized> *mut T {
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/// [`ptr::write`]: crate::ptr::write()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[rustc_const_unstable(feature = "const_ptr_write", issue = "none")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn write(self, val: T)
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where
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T: Sized,
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@ -1019,7 +1019,7 @@ impl<T: ?Sized> *mut T {
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///
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/// [`ptr::write_bytes`]: crate::ptr::write_bytes()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub unsafe fn write_bytes(self, val: u8, count: usize)
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where
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T: Sized,
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@ -1039,7 +1039,7 @@ impl<T: ?Sized> *mut T {
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///
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/// [`ptr::write_volatile`]: crate::ptr::write_volatile()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub unsafe fn write_volatile(self, val: T)
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where
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T: Sized,
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@ -1058,7 +1058,7 @@ impl<T: ?Sized> *mut T {
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/// [`ptr::write_unaligned`]: crate::ptr::write_unaligned()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[rustc_const_unstable(feature = "const_ptr_write", issue = "none")]
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#[inline]
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#[inline(always)]
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pub const unsafe fn write_unaligned(self, val: T)
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where
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T: Sized,
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@ -1074,7 +1074,7 @@ impl<T: ?Sized> *mut T {
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///
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/// [`ptr::replace`]: crate::ptr::replace()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub unsafe fn replace(self, src: T) -> T
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where
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T: Sized,
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@ -1091,7 +1091,7 @@ impl<T: ?Sized> *mut T {
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///
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/// [`ptr::swap`]: crate::ptr::swap()
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#[stable(feature = "pointer_methods", since = "1.26.0")]
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#[inline]
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#[inline(always)]
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pub unsafe fn swap(self, with: *mut T)
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where
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T: Sized,
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@ -1170,7 +1170,7 @@ impl<T> *mut [T] {
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/// let slice: *mut [i8] = ptr::slice_from_raw_parts_mut(ptr::null_mut(), 3);
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/// assert_eq!(slice.len(), 3);
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/// ```
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#[inline]
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#[inline(always)]
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#[unstable(feature = "slice_ptr_len", issue = "71146")]
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#[rustc_const_unstable(feature = "const_slice_ptr_len", issue = "71146")]
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pub const fn len(self) -> usize {
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@ -1190,7 +1190,7 @@ impl<T> *mut [T] {
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/// let slice: *mut [i8] = ptr::slice_from_raw_parts_mut(ptr::null_mut(), 3);
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/// assert_eq!(slice.as_mut_ptr(), 0 as *mut i8);
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/// ```
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#[inline]
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#[inline(always)]
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#[unstable(feature = "slice_ptr_get", issue = "74265")]
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#[rustc_const_unstable(feature = "slice_ptr_get", issue = "74265")]
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pub const fn as_mut_ptr(self) -> *mut T {
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@ -1217,7 +1217,7 @@ impl<T> *mut [T] {
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/// }
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/// ```
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#[unstable(feature = "slice_ptr_get", issue = "74265")]
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#[inline]
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#[inline(always)]
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pub unsafe fn get_unchecked_mut<I>(self, index: I) -> *mut I::Output
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where
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I: SliceIndex<[T]>,
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@ -1332,7 +1332,7 @@ impl<T> *mut [T] {
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// Equality for pointers
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#[stable(feature = "rust1", since = "1.0.0")]
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impl<T: ?Sized> PartialEq for *mut T {
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#[inline]
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#[inline(always)]
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fn eq(&self, other: &*mut T) -> bool {
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*self == *other
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}
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@ -1357,27 +1357,27 @@ impl<T: ?Sized> Ord for *mut T {
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#[stable(feature = "rust1", since = "1.0.0")]
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impl<T: ?Sized> PartialOrd for *mut T {
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#[inline]
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#[inline(always)]
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fn partial_cmp(&self, other: &*mut T) -> Option<Ordering> {
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Some(self.cmp(other))
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}
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#[inline]
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#[inline(always)]
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fn lt(&self, other: &*mut T) -> bool {
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*self < *other
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}
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#[inline]
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#[inline(always)]
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fn le(&self, other: &*mut T) -> bool {
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*self <= *other
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}
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#[inline]
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#[inline(always)]
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fn gt(&self, other: &*mut T) -> bool {
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*self > *other
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}
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#[inline]
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#[inline(always)]
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fn ge(&self, other: &*mut T) -> bool {
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*self >= *other
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}
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