| error[E0391]: cycle detected when processing `Foo::X` | |
| --> $DIR/cycle-trait-default-type-trait.rs:4:23 | |
| | | |
| LL | trait Foo<X = Box<dyn Foo>> { | |
| | ^^^ | |
| | | |
| = note: ...which again requires processing `Foo::X`, completing the cycle | |
| note: cycle used when collecting item types in top-level module | |
| --> $DIR/cycle-trait-default-type-trait.rs:4:1 | |
| | | |
| LL | trait Foo<X = Box<dyn Foo>> { | |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0391`. |