diff options
Diffstat (limited to 'src/libcore/clone.rs')
| -rw-r--r-- | src/libcore/clone.rs | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/libcore/clone.rs b/src/libcore/clone.rs index 9a412e57294..7784ec687ea 100644 --- a/src/libcore/clone.rs +++ b/src/libcore/clone.rs @@ -169,7 +169,8 @@ pub struct AssertParamIsCopy<T: Copy + ?Sized> { /// Implementations of `Clone` for primitive types. /// /// Implementations that cannot be described in Rust -/// are implemented in `SelectionContext::copy_clone_conditions()` in librustc. +/// are implemented in `traits::SelectionContext::copy_clone_conditions()` +/// in `rustc_trait_selection`. mod impls { use super::Clone; @@ -219,7 +220,7 @@ mod impls { } } - // Shared references can be cloned, but mutable references *cannot*! + /// Shared references can be cloned, but mutable references *cannot*! #[stable(feature = "rust1", since = "1.0.0")] impl<T: ?Sized> Clone for &T { #[inline] @@ -227,4 +228,8 @@ mod impls { *self } } + + /// Shared references can be cloned, but mutable references *cannot*! + #[stable(feature = "rust1", since = "1.0.0")] + impl<T: ?Sized> !Clone for &mut T {} } |