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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:02:58 +0000 |
commit | 698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch) | |
tree | 173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/union/union-sized-field.stderr | |
parent | Initial commit. (diff) | |
download | rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip |
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/union/union-sized-field.stderr')
-rw-r--r-- | src/test/ui/union/union-sized-field.stderr | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/test/ui/union/union-sized-field.stderr b/src/test/ui/union/union-sized-field.stderr new file mode 100644 index 000000000..771e8f261 --- /dev/null +++ b/src/test/ui/union/union-sized-field.stderr @@ -0,0 +1,78 @@ +error[E0277]: the size for values of type `T` cannot be known at compilation time + --> $DIR/union-sized-field.rs:4:12 + | +LL | union Foo<T: ?Sized> { + | - this type parameter needs to be `std::marker::Sized` +LL | value: ManuallyDrop<T>, + | ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = note: required because it appears within the type `ManuallyDrop<T>` + = note: no field of a union may have a dynamically sized type + = help: change the field's type to have a statically known size +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - union Foo<T: ?Sized> { +LL + union Foo<T> { + | +help: borrowed types always have a statically known size + | +LL | value: &ManuallyDrop<T>, + | + +help: the `Box` type always has a statically known size and allocates its contents in the heap + | +LL | value: Box<ManuallyDrop<T>>, + | ++++ + + +error[E0277]: the size for values of type `T` cannot be known at compilation time + --> $DIR/union-sized-field.rs:9:12 + | +LL | struct Foo2<T: ?Sized> { + | - this type parameter needs to be `std::marker::Sized` +LL | value: ManuallyDrop<T>, + | ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = note: required because it appears within the type `ManuallyDrop<T>` + = note: only the last field of a struct may have a dynamically sized type + = help: change the field's type to have a statically known size +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - struct Foo2<T: ?Sized> { +LL + struct Foo2<T> { + | +help: borrowed types always have a statically known size + | +LL | value: &ManuallyDrop<T>, + | + +help: the `Box` type always has a statically known size and allocates its contents in the heap + | +LL | value: Box<ManuallyDrop<T>>, + | ++++ + + +error[E0277]: the size for values of type `T` cannot be known at compilation time + --> $DIR/union-sized-field.rs:15:11 + | +LL | enum Foo3<T: ?Sized> { + | - this type parameter needs to be `std::marker::Sized` +LL | Value(ManuallyDrop<T>), + | ^^^^^^^^^^^^^^^ doesn't have a size known at compile-time + | + = note: required because it appears within the type `ManuallyDrop<T>` + = note: no field of an enum variant may have a dynamically sized type + = help: change the field's type to have a statically known size +help: consider removing the `?Sized` bound to make the type parameter `Sized` + | +LL - enum Foo3<T: ?Sized> { +LL + enum Foo3<T> { + | +help: borrowed types always have a statically known size + | +LL | Value(&ManuallyDrop<T>), + | + +help: the `Box` type always has a statically known size and allocates its contents in the heap + | +LL | Value(Box<ManuallyDrop<T>>), + | ++++ + + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0277`. |