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Reword ManuallyDrop+Box interaction

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This commit is contained in:
Tim (Theemathas) Chirananthavat 2024-09-21 12:38:38 +07:00
parent f604ed631b
commit de2eba1826
1 changed files with 3 additions and 2 deletions
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5
library/core/src/mem/manually_drop.rs
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@ -41,8 +41,9 @@ use crate::ptr;
///
/// # Interaction with `Box`
///
/// Currently, once the `Box<T>` inside a `ManuallyDrop<Box<T>>` is dropped,
/// moving the `ManuallyDrop<Box<T>>` is [considered to be undefined
/// Currently, if you have a `ManuallyDrop<T>`, where the type `T` is a `Box` or
/// contains a `Box` inside, then dropping the `T` followed by moving the
/// `ManuallyDrop<T>` is [considered to be undefined
/// behavior](https://github.com/rust-lang/unsafe-code-guidelines/issues/245).
/// That is, the following code causes undefined behavior:
///