diff options
Diffstat (limited to 'library/core/src/clone.rs')
| -rw-r--r-- | library/core/src/clone.rs | 20 |
1 files changed, 5 insertions, 15 deletions
diff --git a/library/core/src/clone.rs b/library/core/src/clone.rs index 398437d9a02..5662ff8dfd9 100644 --- a/library/core/src/clone.rs +++ b/library/core/src/clone.rs @@ -36,8 +36,6 @@ #![stable(feature = "rust1", since = "1.0.0")] -use crate::marker::Destruct; - /// A common trait for the ability to explicitly duplicate an object. /// /// Differs from [`Copy`] in that [`Copy`] is implicit and an inexpensive bit-wise copy, while @@ -106,7 +104,6 @@ use crate::marker::Destruct; #[lang = "clone"] #[rustc_diagnostic_item = "Clone"] #[rustc_trivial_field_reads] -#[const_trait] pub trait Clone: Sized { /// Returns a copy of the value. /// @@ -130,8 +127,6 @@ pub trait Clone: Sized { #[inline] #[stable(feature = "rust1", since = "1.0.0")] fn clone_from(&mut self, source: &Self) - where - Self: ~const Destruct, { *self = source.clone() } @@ -182,8 +177,7 @@ mod impls { ($($t:ty)*) => { $( #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_unstable(feature = "const_clone", issue = "91805")] - impl const Clone for $t { + impl Clone for $t { #[inline(always)] fn clone(&self) -> Self { *self @@ -201,8 +195,7 @@ mod impls { } #[unstable(feature = "never_type", issue = "35121")] - #[rustc_const_unstable(feature = "const_clone", issue = "91805")] - impl const Clone for ! { + impl Clone for ! { #[inline] fn clone(&self) -> Self { *self @@ -210,8 +203,7 @@ mod impls { } #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_unstable(feature = "const_clone", issue = "91805")] - impl<T: ?Sized> const Clone for *const T { + impl<T: ?Sized> Clone for *const T { #[inline(always)] fn clone(&self) -> Self { *self @@ -219,8 +211,7 @@ mod impls { } #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_unstable(feature = "const_clone", issue = "91805")] - impl<T: ?Sized> const Clone for *mut T { + impl<T: ?Sized> Clone for *mut T { #[inline(always)] fn clone(&self) -> Self { *self @@ -229,8 +220,7 @@ mod impls { /// Shared references can be cloned, but mutable references *cannot*! #[stable(feature = "rust1", since = "1.0.0")] - #[rustc_const_unstable(feature = "const_clone", issue = "91805")] - impl<T: ?Sized> const Clone for &T { + impl<T: ?Sized> Clone for &T { #[inline(always)] #[rustc_diagnostic_item = "noop_method_clone"] fn clone(&self) -> Self { |