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Diffstat (limited to '')
| -rw-r--r-- | src/test/ui/union/union-with-drop-fields.thirunsafeck.stderr | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui/union/union-with-drop-fields.thirunsafeck.stderr b/src/test/ui/union/union-with-drop-fields.thirunsafeck.stderr new file mode 100644 index 000000000..93fe996d2 --- /dev/null +++ b/src/test/ui/union/union-with-drop-fields.thirunsafeck.stderr @@ -0,0 +1,39 @@ +error[E0740]: unions cannot contain fields that may need dropping + --> $DIR/union-with-drop-fields.rs:11:5 + | +LL | a: String, + | ^^^^^^^^^ + | + = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type +help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped + | +LL | a: std::mem::ManuallyDrop<String>, + | +++++++++++++++++++++++ + + +error[E0740]: unions cannot contain fields that may need dropping + --> $DIR/union-with-drop-fields.rs:19:5 + | +LL | a: S, + | ^^^^ + | + = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type +help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped + | +LL | a: std::mem::ManuallyDrop<S>, + | +++++++++++++++++++++++ + + +error[E0740]: unions cannot contain fields that may need dropping + --> $DIR/union-with-drop-fields.rs:24:5 + | +LL | a: T, + | ^^^^ + | + = note: a type is guaranteed not to need dropping when it implements `Copy`, or when it is the special `ManuallyDrop<_>` type +help: when the type does not implement `Copy`, wrap it inside a `ManuallyDrop<_>` and ensure it is manually dropped + | +LL | a: std::mem::ManuallyDrop<T>, + | +++++++++++++++++++++++ + + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0740`. |