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Rewrite representability

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This commit is contained in:
Cameron Steffen 2022-08-15 14:11:11 -05:00
parent e42c4d7218
commit ff940db666
61 changed files with 537 additions and 744 deletions
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62
src/test/ui/structs-enums/struct-rec/mutual-struct-recursion.stderr
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@ -1,59 +1,49 @@
error[E0072]: recursive type `A` has infinite size
error[E0072]: recursive types `A` and `B` have 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
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
|
LL ~ y: Box<B<T>>,
LL | }
LL |
LL | struct B<T> {
LL ~ z: Box<A<T>>
|
LL | z: Box<A<T>>
| ++++ +
error[E0072]: recursive type `C` has infinite size
--> $DIR/mutual-struct-recursion.rs:12:1
error[E0072]: recursive types `C` and `D` have infinite size
--> $DIR/mutual-struct-recursion.rs:11:1
|
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
|
| ---- recursive without indirection
...
LL | struct D<T> {
| ^^^^^^^^^^^ recursive type has infinite size
LL |
| ^^^^^^^^^^^
LL | z: Option<Option<C<T>>>,
| -------------------- recursive without indirection
| ---- recursive without indirection
|
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to make `D` representable
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
|
LL ~ y: Option<Option<Box<D<T>>>>,
LL | }
LL |
LL | struct D<T> {
LL ~ z: Option<Option<Box<C<T>>>>,
|
LL | z: Option<Box<Option<C<T>>>>,
| ++++ +
error: aborting due to 4 previous errors
error: aborting due to 2 previous errors
For more information about this error, try `rustc --explain E0072`.