diff options
Diffstat (limited to 'src/test/ui/structs-enums/struct-rec')
6 files changed, 138 insertions, 0 deletions
diff --git a/src/test/ui/structs-enums/struct-rec/issue-74224.rs b/src/test/ui/structs-enums/struct-rec/issue-74224.rs new file mode 100644 index 000000000..f3b72c5df --- /dev/null +++ b/src/test/ui/structs-enums/struct-rec/issue-74224.rs @@ -0,0 +1,11 @@ +struct A<T> { +//~^ ERROR recursive type `A` has infinite size + x: T, + y: A<A<T>>, +} + +struct B { + z: A<usize> +} + +fn main() {} diff --git a/src/test/ui/structs-enums/struct-rec/issue-74224.stderr b/src/test/ui/structs-enums/struct-rec/issue-74224.stderr new file mode 100644 index 000000000..619917846 --- /dev/null +++ b/src/test/ui/structs-enums/struct-rec/issue-74224.stderr @@ -0,0 +1,17 @@ +error[E0072]: recursive type `A` has infinite size + --> $DIR/issue-74224.rs:1:1 + | +LL | struct A<T> { + | ^^^^^^^^^^^ recursive type has infinite size +... +LL | y: A<A<T>>, + | ------- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `A` representable + | +LL | y: Box<A<A<T>>>, + | ++++ + + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0072`. diff --git a/src/test/ui/structs-enums/struct-rec/issue-84611.rs b/src/test/ui/structs-enums/struct-rec/issue-84611.rs new file mode 100644 index 000000000..4c356af3e --- /dev/null +++ b/src/test/ui/structs-enums/struct-rec/issue-84611.rs @@ -0,0 +1,11 @@ +struct Foo<T> { +//~^ ERROR recursive type `Foo` has infinite size + x: Foo<[T; 1]>, + y: T, +} + +struct Bar { + x: Foo<Bar>, +} + +fn main() {} diff --git a/src/test/ui/structs-enums/struct-rec/issue-84611.stderr b/src/test/ui/structs-enums/struct-rec/issue-84611.stderr new file mode 100644 index 000000000..2e99435e0 --- /dev/null +++ b/src/test/ui/structs-enums/struct-rec/issue-84611.stderr @@ -0,0 +1,17 @@ +error[E0072]: recursive type `Foo` has infinite size + --> $DIR/issue-84611.rs:1:1 + | +LL | struct Foo<T> { + | ^^^^^^^^^^^^^ recursive type has infinite size +LL | +LL | x: Foo<[T; 1]>, + | ----------- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `Foo` representable + | +LL | x: Box<Foo<[T; 1]>>, + | ++++ + + +error: aborting due to previous error + +For more information about this error, try `rustc --explain E0072`. diff --git a/src/test/ui/structs-enums/struct-rec/mutual-struct-recursion.rs b/src/test/ui/structs-enums/struct-rec/mutual-struct-recursion.rs new file mode 100644 index 000000000..cca97f43e --- /dev/null +++ b/src/test/ui/structs-enums/struct-rec/mutual-struct-recursion.rs @@ -0,0 +1,23 @@ +struct A<T> { +//~^ ERROR recursive type `A` has infinite size + x: T, + y: B<T>, +} + +struct B<T> { +//~^ ERROR recursive type `B` has infinite size + z: A<T> +} + +struct C<T> { +//~^ ERROR recursive type `C` has infinite size + x: T, + y: Option<Option<D<T>>>, +} + +struct D<T> { +//~^ ERROR recursive type `D` has infinite size + z: Option<Option<C<T>>>, +} + +fn main() {} diff --git a/src/test/ui/structs-enums/struct-rec/mutual-struct-recursion.stderr b/src/test/ui/structs-enums/struct-rec/mutual-struct-recursion.stderr new file mode 100644 index 000000000..80a494f3f --- /dev/null +++ b/src/test/ui/structs-enums/struct-rec/mutual-struct-recursion.stderr @@ -0,0 +1,59 @@ +error[E0072]: recursive type `A` has infinite size + --> $DIR/mutual-struct-recursion.rs:1:1 + | +LL | struct A<T> { + | ^^^^^^^^^^^ recursive type has infinite size +... +LL | y: B<T>, + | ---- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `A` representable + | +LL | y: Box<B<T>>, + | ++++ + + +error[E0072]: recursive type `B` has infinite size + --> $DIR/mutual-struct-recursion.rs:7:1 + | +LL | struct B<T> { + | ^^^^^^^^^^^ recursive type has infinite size +LL | +LL | z: A<T> + | ---- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `B` representable + | +LL | z: Box<A<T>> + | ++++ + + +error[E0072]: recursive type `C` has infinite size + --> $DIR/mutual-struct-recursion.rs:12:1 + | +LL | struct C<T> { + | ^^^^^^^^^^^ recursive type has infinite size +... +LL | y: Option<Option<D<T>>>, + | -------------------- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `C` representable + | +LL | y: Option<Box<Option<D<T>>>>, + | ++++ + + +error[E0072]: recursive type `D` has infinite size + --> $DIR/mutual-struct-recursion.rs:18:1 + | +LL | struct D<T> { + | ^^^^^^^^^^^ recursive type has infinite size +LL | +LL | z: Option<Option<C<T>>>, + | -------------------- recursive without indirection + | +help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `D` representable + | +LL | z: Option<Box<Option<C<T>>>>, + | ++++ + + +error: aborting due to 4 previous errors + +For more information about this error, try `rustc --explain E0072`. |