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Improve doc example of DerefMut

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It is more illustrative, after using `*x` to modify the field, to show
in the assertion that the field has indeed been modified.
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Nikolaos Chatzikonstantinou 2022-04-03 12:42:19 +09:00
parent c1550e3f8c
commit 53887a5d9e
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library/core/src/ops/deref.rs
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@ -164,7 +164,7 @@ impl<T: ?Sized> const Deref for &mut T {
/// ///
/// let mut x = DerefMutExample { value: 'a' }; /// let mut x = DerefMutExample { value: 'a' };
/// *x = 'b'; /// *x = 'b';
/// assert_eq!('b', *x); /// assert_eq!('b', x.value);
/// ``` /// ```
#[lang = "deref_mut"] #[lang = "deref_mut"]
#[doc(alias = "*")] #[doc(alias = "*")]