Auto merge of #95610 - createyourpersonalaccount:derefmut-docfix, r=Dylan-DPC

Improve doc example of DerefMut

It is more illustrative, after using `*x` to modify the field, to show
in the assertion that the field has indeed been modified.
This commit is contained in:
bors 2022-04-03 19:06:20 +00:00
commit 2ad4eb207b

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@ -164,7 +164,7 @@ impl<T: ?Sized> const Deref for &mut T {
///
/// let mut x = DerefMutExample { value: 'a' };
/// *x = 'b';
/// assert_eq!('b', *x);
/// assert_eq!('b', x.value);
/// ```
#[lang = "deref_mut"]
#[doc(alias = "*")]