mirror of
https://github.com/rust-lang/rust.git
synced 2024-11-28 01:34:21 +00:00
49 lines
1.8 KiB
Plaintext
49 lines
1.8 KiB
Plaintext
error[E0072]: recursive types `A` and `B` have infinite size
|
|
--> $DIR/issue-105231.rs:2:1
|
|
|
|
|
LL | struct A<T>(B<T>);
|
|
| ^^^^^^^^^^^ ---- recursive without indirection
|
|
...
|
|
LL | struct B<T>(A<A<T>>);
|
|
| ^^^^^^^^^^^ ------- recursive without indirection
|
|
|
|
|
help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle
|
|
|
|
|
LL ~ struct A<T>(Box<B<T>>);
|
|
LL |
|
|
LL |
|
|
LL ~ struct B<T>(Box<A<A<T>>>);
|
|
|
|
|
|
|
error[E0392]: type parameter `T` is never used
|
|
--> $DIR/issue-105231.rs:2:10
|
|
|
|
|
LL | struct A<T>(B<T>);
|
|
| ^ unused type parameter
|
|
|
|
|
= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
|
|
= help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
|
|
|
|
error[E0392]: type parameter `T` is never used
|
|
--> $DIR/issue-105231.rs:5:10
|
|
|
|
|
LL | struct B<T>(A<A<T>>);
|
|
| ^ unused type parameter
|
|
|
|
|
= help: consider removing `T`, referring to it in a field, or using a marker such as `PhantomData`
|
|
= help: if you intended `T` to be a const parameter, use `const T: /* Type */` instead
|
|
|
|
error[E0275]: overflow evaluating the requirement `A<A<A<A<A<A<A<...>>>>>>>: Send`
|
|
|
|
|
= help: consider increasing the recursion limit by adding a `#![recursion_limit = "256"]` attribute to your crate (`issue_105231`)
|
|
note: required because it appears within the type `B<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<A<u8>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>`
|
|
--> $DIR/issue-105231.rs:5:8
|
|
|
|
|
LL | struct B<T>(A<A<T>>);
|
|
| ^
|
|
|
|
error: aborting due to 4 previous errors
|
|
|
|
Some errors have detailed explanations: E0072, E0275, E0392.
|
|
For more information about an error, try `rustc --explain E0072`.
|