| error[E0391]: cycle detected when processing `Foo` |
| --> $DIR/no_inferrable_concrete_type.rs:6:1 |
| | |
| LL | existential type Foo: Copy; |
| | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ |
| | |
| note: ...which requires processing `bar`... |
| --> $DIR/no_inferrable_concrete_type.rs:9:23 |
| | |
| LL | fn bar(x: Foo) -> Foo { x } |
| | ^^^^^ |
| = note: ...which again requires processing `Foo`, completing the cycle |
| note: cycle used when collecting item types in top-level module |
| --> $DIR/no_inferrable_concrete_type.rs:4:1 |
| | |
| LL | / #![feature(existential_type)] |
| LL | | |
| LL | | existential type Foo: Copy; |
| LL | | |
| ... | |
| LL | | let _: Foo = std::mem::transmute(0u8); |
| LL | | } |
| | |_^ |
| |
| error: aborting due to previous error |
| |
| For more information about this error, try `rustc --explain E0391`. |
