Make some trivial functions #[inline(always)]
This commit is contained in:
Eduardo Sánchez Muñoz
parent
91b8f34ac2
commit
00e7b54d46
9 changed files with 33 additions and 25 deletions
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@ -176,7 +176,6 @@ pub struct AssertParamIsCopy<T: Copy + ?Sized> {
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/// are implemented in `traits::SelectionContext::copy_clone_conditions()`
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/// in `rustc_trait_selection`.
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mod impls {
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use super::Clone;
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macro_rules! impl_clone {
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@ -185,7 +184,7 @@ mod impls {
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_unstable(feature = "const_clone", issue = "91805")]
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impl const Clone for $t {
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#[inline]
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#[inline(always)]
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fn clone(&self) -> Self {
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*self
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}
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@ -213,7 +212,7 @@ mod impls {
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_unstable(feature = "const_clone", issue = "91805")]
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impl<T: ?Sized> const Clone for *const T {
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#[inline]
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#[inline(always)]
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fn clone(&self) -> Self {
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*self
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}
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@ -222,7 +221,7 @@ mod impls {
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_unstable(feature = "const_clone", issue = "91805")]
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impl<T: ?Sized> const Clone for *mut T {
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#[inline]
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#[inline(always)]
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fn clone(&self) -> Self {
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*self
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}
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@ -232,7 +231,7 @@ mod impls {
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_unstable(feature = "const_clone", issue = "91805")]
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impl<T: ?Sized> const Clone for &T {
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#[inline]
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#[inline(always)]
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#[rustc_diagnostic_item = "noop_method_clone"]
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fn clone(&self) -> Self {
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*self
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@ -99,7 +99,7 @@ pub use num::FloatToInt;
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/// ```
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#[stable(feature = "convert_id", since = "1.33.0")]
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#[rustc_const_stable(feature = "const_identity", since = "1.33.0")]
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#[inline]
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#[inline(always)]
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pub const fn identity<T>(x: T) -> T {
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x
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}
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@ -789,6 +789,7 @@ where
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#[stable(feature = "rust1", since = "1.0.0")]
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impl<T> AsRef<[T]> for [T] {
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#[inline(always)]
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fn as_ref(&self) -> &[T] {
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self
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}
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@ -796,6 +797,7 @@ impl<T> AsRef<[T]> for [T] {
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#[stable(feature = "rust1", since = "1.0.0")]
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impl<T> AsMut<[T]> for [T] {
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#[inline(always)]
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fn as_mut(&mut self) -> &mut [T] {
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self
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}
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@ -803,7 +805,7 @@ impl<T> AsMut<[T]> for [T] {
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#[stable(feature = "rust1", since = "1.0.0")]
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impl AsRef<str> for str {
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#[inline]
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#[inline(always)]
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fn as_ref(&self) -> &str {
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self
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}
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@ -811,7 +813,7 @@ impl AsRef<str> for str {
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#[stable(feature = "as_mut_str_for_str", since = "1.51.0")]
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impl AsMut<str> for str {
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#[inline]
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#[inline(always)]
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fn as_mut(&mut self) -> &mut str {
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self
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}
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@ -160,7 +160,7 @@ pub const unsafe fn unreachable_unchecked() -> ! {
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/// ```
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///
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/// [`thread::yield_now`]: ../../std/thread/fn.yield_now.html
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#[inline]
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#[inline(always)]
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#[stable(feature = "renamed_spin_loop", since = "1.49.0")]
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pub fn spin_loop() {
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#[cfg(target_arch = "x86")]
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@ -345,6 +345,7 @@ pub const fn black_box<T>(dummy: T) -> T {
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#[unstable(feature = "hint_must_use", issue = "94745")]
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#[rustc_const_unstable(feature = "hint_must_use", issue = "94745")]
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#[must_use] // <-- :)
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#[inline(always)]
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pub const fn must_use<T>(value: T) -> T {
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value
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}
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@ -45,7 +45,7 @@ impl<T: ?Sized> *const 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) -> *const U {
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self as _
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}
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@ -95,6 +95,7 @@ impl<T: ?Sized> *const T {
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/// refactored.
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#[stable(feature = "ptr_const_cast", since = "1.65.0")]
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#[rustc_const_stable(feature = "ptr_const_cast", since = "1.65.0")]
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#[inline(always)]
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pub const fn cast_mut(self) -> *mut T {
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self as _
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}
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@ -126,6 +127,7 @@ impl<T: ?Sized> *const T {
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note = "replaced by the `exposed_addr` method, or update your code \
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to follow the strict provenance rules using its APIs"
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)]
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#[inline(always)]
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pub fn to_bits(self) -> usize
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where
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T: Sized,
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@ -155,6 +157,7 @@ impl<T: ?Sized> *const T {
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your code to follow the strict provenance rules using its APIs"
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)]
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#[allow(fuzzy_provenance_casts)] // this is an unstable and semi-deprecated cast function
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#[inline(always)]
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pub fn from_bits(bits: usize) -> Self
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where
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T: Sized,
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@ -186,7 +189,7 @@ impl<T: ?Sized> *const T {
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/// might change in the future (including possibly weakening this so it becomes wholly
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/// equivalent to `self as usize`). See the [module documentation][crate::ptr] for details.
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#[must_use]
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#[inline]
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#[inline(always)]
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#[unstable(feature = "strict_provenance", issue = "95228")]
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pub fn addr(self) -> usize
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where
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@ -223,7 +226,7 @@ impl<T: ?Sized> *const T {
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///
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/// [`from_exposed_addr`]: from_exposed_addr
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#[must_use]
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#[inline]
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#[inline(always)]
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#[unstable(feature = "strict_provenance", issue = "95228")]
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pub fn expose_addr(self) -> usize
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where
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@ -613,7 +613,7 @@ pub const fn invalid_mut<T>(addr: usize) -> *mut T {
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/// This API and its claimed semantics are part of the Strict Provenance experiment, see the
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/// [module documentation][crate::ptr] for details.
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#[must_use]
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#[inline]
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#[inline(always)]
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#[unstable(feature = "strict_provenance", issue = "95228")]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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#[allow(fuzzy_provenance_casts)] // this *is* the strict provenance API one should use instead
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@ -651,7 +651,7 @@ where
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/// This API and its claimed semantics are part of the Strict Provenance experiment, see the
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/// [module documentation][crate::ptr] for details.
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#[must_use]
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#[inline]
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#[inline(always)]
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#[unstable(feature = "strict_provenance", issue = "95228")]
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#[cfg_attr(miri, track_caller)] // even without panics, this helps for Miri backtraces
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#[allow(fuzzy_provenance_casts)] // this *is* the strict provenance API one should use instead
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@ -1801,7 +1801,7 @@ pub(crate) const unsafe fn align_offset<T: Sized>(p: *const T, a: usize) -> usiz
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/// assert!(!std::ptr::eq(&a[0..2], &a[1..3]));
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/// ```
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#[stable(feature = "ptr_eq", since = "1.17.0")]
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#[inline]
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#[inline(always)]
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pub fn eq<T: ?Sized>(a: *const T, b: *const T) -> bool {
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a == b
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}
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@ -100,6 +100,7 @@ impl<T: ?Sized> *mut T {
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/// [`cast_mut`]: #method.cast_mut
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#[stable(feature = "ptr_const_cast", since = "1.65.0")]
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#[rustc_const_stable(feature = "ptr_const_cast", since = "1.65.0")]
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#[inline(always)]
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pub const fn cast_const(self) -> *const T {
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self as _
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}
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@ -132,6 +133,7 @@ impl<T: ?Sized> *mut T {
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note = "replaced by the `exposed_addr` method, or update your code \
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to follow the strict provenance rules using its APIs"
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)]
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#[inline(always)]
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pub fn to_bits(self) -> usize
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where
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T: Sized,
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@ -161,6 +163,7 @@ impl<T: ?Sized> *mut T {
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update your code to follow the strict provenance rules using its APIs"
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)]
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#[allow(fuzzy_provenance_casts)] // this is an unstable and semi-deprecated cast function
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#[inline(always)]
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pub fn from_bits(bits: usize) -> Self
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where
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T: Sized,
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@ -192,7 +195,7 @@ impl<T: ?Sized> *mut T {
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/// might change in the future (including possibly weakening this so it becomes wholly
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/// equivalent to `self as usize`). See the [module documentation][crate::ptr] for details.
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#[must_use]
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#[inline]
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#[inline(always)]
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#[unstable(feature = "strict_provenance", issue = "95228")]
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pub fn addr(self) -> usize
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where
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@ -229,7 +232,7 @@ impl<T: ?Sized> *mut T {
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///
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/// [`from_exposed_addr_mut`]: from_exposed_addr_mut
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#[must_use]
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#[inline]
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#[inline(always)]
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#[unstable(feature = "strict_provenance", issue = "95228")]
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pub fn expose_addr(self) -> usize
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where
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@ -330,7 +330,7 @@ impl<T: ?Sized> NonNull<T> {
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#[stable(feature = "nonnull", since = "1.25.0")]
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#[rustc_const_stable(feature = "const_nonnull_as_ptr", since = "1.32.0")]
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#[must_use]
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#[inline]
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#[inline(always)]
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pub const fn as_ptr(self) -> *mut T {
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self.pointer as *mut T
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}
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@ -378,7 +378,7 @@ impl<T: ?Sized> NonNull<T> {
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#[stable(feature = "nonnull", since = "1.25.0")]
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#[rustc_const_unstable(feature = "const_ptr_as_ref", issue = "91822")]
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#[must_use]
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#[inline]
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#[inline(always)]
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pub const unsafe fn as_ref<'a>(&self) -> &'a T {
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// SAFETY: the caller must guarantee that `self` meets all the
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// requirements for a reference.
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@ -429,7 +429,7 @@ impl<T: ?Sized> NonNull<T> {
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#[stable(feature = "nonnull", since = "1.25.0")]
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#[rustc_const_unstable(feature = "const_ptr_as_ref", issue = "91822")]
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#[must_use]
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#[inline]
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#[inline(always)]
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pub const unsafe fn as_mut<'a>(&mut self) -> &'a mut T {
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// SAFETY: the caller must guarantee that `self` meets all the
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// requirements for a mutable reference.
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@ -703,7 +703,7 @@ impl<T> NonNull<[T]> {
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#[stable(feature = "nonnull", since = "1.25.0")]
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#[rustc_const_unstable(feature = "const_clone", issue = "91805")]
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impl<T: ?Sized> const Clone for NonNull<T> {
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#[inline]
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#[inline(always)]
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fn clone(&self) -> Self {
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*self
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}
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@ -465,7 +465,7 @@ impl<T> [T] {
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/// [`as_mut_ptr`]: slice::as_mut_ptr
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "const_slice_as_ptr", since = "1.32.0")]
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#[inline]
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#[inline(always)]
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#[must_use]
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pub const fn as_ptr(&self) -> *const T {
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self as *const [T] as *const T
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@ -495,7 +495,7 @@ impl<T> [T] {
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "const_ptr_offset", since = "1.61.0")]
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#[rustc_allow_const_fn_unstable(const_mut_refs)]
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#[inline]
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#[inline(always)]
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#[must_use]
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pub const fn as_mut_ptr(&mut self) -> *mut T {
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self as *mut [T] as *mut T
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@ -396,7 +396,7 @@ impl str {
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#[stable(feature = "rust1", since = "1.0.0")]
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#[rustc_const_stable(feature = "rustc_str_as_ptr", since = "1.32.0")]
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#[must_use]
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#[inline]
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#[inline(always)]
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pub const fn as_ptr(&self) -> *const u8 {
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self as *const str as *const u8
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}
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@ -411,7 +411,7 @@ impl str {
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/// modified in a way that it remains valid UTF-8.
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#[stable(feature = "str_as_mut_ptr", since = "1.36.0")]
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#[must_use]
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#[inline]
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#[inline(always)]
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pub fn as_mut_ptr(&mut self) -> *mut u8 {
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self as *mut str as *mut u8
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}
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