Improve ManuallyDrop suggestion

[rust.git] / src / test / ui / union / union-with-drop-fields.thirunsafeck.stderr

diff --git a/src/test/ui/union/union-with-drop-fields.thirunsafeck.stderr b/src/test/ui/union/union-with-drop-fields.thirunsafeck.stderr
index 2062fb7473faa35d1789be1a748c44879678aa2f..8f3d30cd7ee46e5432feb5633cbaeb334f773c5d 100644 (file)
--- a/src/test/ui/union/union-with-drop-fields.thirunsafeck.stderr
+++ b/src/test/ui/union/union-with-drop-fields.thirunsafeck.stderr
@@ -4,11 +4,10 @@ error[E0740]: unions may not contain fields that need dropping
 LL |     a: String,
    |     ^^^^^^^^^
    |
-note: `std::mem::ManuallyDrop` can be used to wrap the type
-  --> $DIR/union-with-drop-fields.rs:11:5
+help: wrap the type with `std::mem::ManuallyDrop` and ensure it is manually dropped
    |
-LL |     a: String,
-   |     ^^^^^^^^^
+LL |     a: std::mem::ManuallyDrop<String>,
+   |        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 error[E0740]: unions may not contain fields that need dropping
   --> $DIR/union-with-drop-fields.rs:19:5
@@ -16,11 +15,10 @@ error[E0740]: unions may not contain fields that need dropping
 LL |     a: S,
    |     ^^^^
    |
-note: `std::mem::ManuallyDrop` can be used to wrap the type
-  --> $DIR/union-with-drop-fields.rs:19:5
+help: wrap the type with `std::mem::ManuallyDrop` and ensure it is manually dropped
    |
-LL |     a: S,
-   |     ^^^^
+LL |     a: std::mem::ManuallyDrop<S>,
+   |        ~~~~~~~~~~~~~~~~~~~~~~~~~
 
 error[E0740]: unions may not contain fields that need dropping
   --> $DIR/union-with-drop-fields.rs:24:5
@@ -28,11 +26,10 @@ error[E0740]: unions may not contain fields that need dropping
 LL |     a: T,
    |     ^^^^
    |
-note: `std::mem::ManuallyDrop` can be used to wrap the type
-  --> $DIR/union-with-drop-fields.rs:24:5
+help: wrap the type with `std::mem::ManuallyDrop` and ensure it is manually dropped
    |
-LL |     a: T,
-   |     ^^^^
+LL |     a: std::mem::ManuallyDrop<T>,
+   |        ~~~~~~~~~~~~~~~~~~~~~~~~~
 
 error: aborting due to 3 previous errors