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Modify mutable deref rule for &mut T #1758

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Modify mutable deref rule for &mut T #1758

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Modify mutable deref rule for `&mut T`
chorman0773 Mar 13, 2025
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chorman0773 Mar 20, 2025
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2 changes: 1 addition & 1 deletion src/expressions.md
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Expand Up @@ -241,7 +241,7 @@ The following expressions can be mutable place expression contexts:
* [Temporary values].
* [Fields][field]: this evaluates the subexpression in a mutable place expression context.
* [Dereferences][deref] of a `*mut T` pointer.
* Dereference of a variable, or field of a variable, with type `&mut T`.
* Dereference of a [movable place][expr.move.movable-place] with type `&mut T`. This includes variables and their fields, as well as temporaries.
Note: This is an exception to the requirement of the next rule.
* Dereferences of a type that implements `DerefMut`:
this then requires that the value being dereferenced is evaluated in a mutable place expression context.
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