#[rustc_const_stable(feature = "const_min_align_of", since = "1.40.0")]
pub fn min_align_of<T>() -> usize;
- #[rustc_const_unstable(feature = "const_pref_align_of", issue = "0")]
+ #[rustc_const_unstable(feature = "const_pref_align_of", issue = "none")]
pub fn pref_align_of<T>() -> usize;
/// The size of the referenced value in bytes.
pub fn min_align_of_val<T: ?Sized>(_: &T) -> usize;
/// Gets a static string slice containing the name of a type.
- #[rustc_const_unstable(feature = "const_type_name", issue = "0")]
+ #[rustc_const_unstable(feature = "const_type_name", issue = "none")]
pub fn type_name<T: ?Sized>() -> &'static str;
/// Gets an identifier which is globally unique to the specified type. This
/// function will return the same value for a type regardless of whichever
/// crate it is invoked in.
- #[rustc_const_unstable(feature = "const_type_id", issue = "0")]
+ #[rustc_const_unstable(feature = "const_type_id", issue = "none")]
pub fn type_id<T: ?Sized + 'static>() -> u64;
/// A guard for unsafe functions that cannot ever be executed if `T` is uninhabited:
/// let num_leading = unsafe { ctlz_nonzero(x) };
/// assert_eq!(num_leading, 3);
/// ```
- #[rustc_const_unstable(feature = "constctlz", issue = "0")]
+ #[rustc_const_unstable(feature = "constctlz", issue = "none")]
pub fn ctlz_nonzero<T>(x: T) -> T;
/// Returns the number of trailing unset bits (zeroes) in an integer type `T`.
/// let num_trailing = unsafe { cttz_nonzero(x) };
/// assert_eq!(num_trailing, 3);
/// ```
- #[rustc_const_unstable(feature = "const_cttz", issue = "0")]
+ #[rustc_const_unstable(feature = "const_cttz", issue = "none")]
pub fn cttz_nonzero<T>(x: T) -> T;
/// Reverses the bytes in an integer type `T`.
pub fn nontemporal_store<T>(ptr: *mut T, val: T);
/// See documentation of `<*const T>::offset_from` for details.
- #[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "0")]
+ #[rustc_const_unstable(feature = "const_ptr_offset_from", issue = "none")]
pub fn ptr_offset_from<T>(ptr: *const T, base: *const T) -> isize;
/// Internal hook used by Miri to implement unwinding.