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Minor rewordings and add dyn keyword

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This commit is contained in:
Chris Gregory 2019-03-27 01:46:24 -04:00
parent fbfc8082b4
commit 61b6c56f50
1 changed files with 9 additions and 9 deletions
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18
src/libcore/ptr.rs
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@ -2523,26 +2523,26 @@ impl<T: ?Sized> Eq for *mut T {}
/// fn main() {
/// let wrapper = Wrapper { member: 10 };
///
/// // Pointers are equal address
/// // Pointers have equal addresses.
/// assert!(std::ptr::eq(
/// &wrapper as *const Wrapper as *const u8,
/// &wrapper.member as *const i32 as *const u8
/// ));
///
/// // Objects have equal addresses, but `Trait` has different implementations
/// // Objects have equal addresses, but `Trait` has different implementations.
/// assert!(!std::ptr::eq(
/// &wrapper as &Trait,
/// &wrapper.member as &Trait,
/// &wrapper as &dyn Trait,
/// &wrapper.member as &dyn Trait,
/// ));
/// assert!(!std::ptr::eq(
/// &wrapper as &Trait as *const Trait,
/// &wrapper.member as &Trait as *const Trait,
/// &wrapper as &dyn Trait as *const dyn Trait,
/// &wrapper.member as &dyn Trait as *const dyn Trait,
/// ));
///
/// // Converting the reference to a `*const u8` compares by address
/// // Converting the reference to a `*const u8` compares by address.
/// assert!(std::ptr::eq(
/// &wrapper as &Trait as *const Trait as *const u8,
/// &wrapper.member as &Trait as *const Trait as *const u8,
/// &wrapper as &dyn Trait as *const dyn Trait as *const u8,
/// &wrapper.member as &dyn Trait as *const dyn Trait as *const u8,
/// ));
/// }
/// ```