| error[E0072]: recursive type `Foo` has infinite size |
| --> $DIR/issue-17431-6.rs:5:1 |
| | |
| LL | enum Foo { X(Mutex<Option<Foo>>) } |
| | ^^^^^^^^ --- recursive without indirection |
| | |
| help: insert some indirection (e.g., a `Box`, `Rc`, or `&`) to break the cycle |
| | |
| LL | enum Foo { X(Mutex<Option<Box<Foo>>>) } |
| | ++++ + |
| |
| error[E0391]: cycle detected when computing when `Foo` needs drop |
| --> $DIR/issue-17431-6.rs:5:1 |
| | |
| LL | enum Foo { X(Mutex<Option<Foo>>) } |
| | ^^^^^^^^ |
| | |
| = note: ...which immediately requires computing when `Foo` needs drop again |
| = note: cycle used when computing whether `Foo` needs drop |
| = note: see https://rustc-dev-guide.rust-lang.org/overview.html#queries and https://rustc-dev-guide.rust-lang.org/query.html for more information |
| |
| error: aborting due to 2 previous errors |
| |
| Some errors have detailed explanations: E0072, E0391. |
| For more information about an error, try `rustc --explain E0072`. |