Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Document that ManuallyDrop::drop should not called more than once #62360

Merged
merged 3 commits into from
Jul 29, 2019
Merged
Changes from 1 commit
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
3 changes: 2 additions & 1 deletion src/libcore/mem/manually_drop.rs
Original file line number Diff line number Diff line change
Expand Up @@ -118,7 +118,8 @@ impl<T: ?Sized> ManuallyDrop<T> {
///
/// This function runs the destructor of the contained value and thus the wrapped value
/// now represents uninitialized data. It is up to the user of this method to ensure the
/// uninitialized data is not actually used.
/// uninitialized data is not actually used, and that this function is called at most once
/// for a given instance of ManuallyDrop
Aaron1011 marked this conversation as resolved.
Show resolved Hide resolved
///
/// [`ManuallyDrop::into_inner`]: #method.into_inner
#[stable(feature = "manually_drop", since = "1.20.0")]
Expand Down