| error[E0720]: cannot resolve opaque type |
| --> $DIR/issue-87450.rs:5:13 |
| | |
| LL | fn foo() -> impl Fn() { |
| | ^^^^^^^^^ |
| |
| warning: function cannot return without recursing |
| --> $DIR/issue-87450.rs:5:1 |
| | |
| LL | fn foo() -> impl Fn() { |
| | ^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing |
| ... |
| LL | wrap(wrap(wrap(wrap(wrap(wrap(wrap(foo()))))))) |
| | ----- recursive call site |
| | |
| = help: a `loop` may express intention better if this is on purpose |
| = note: `#[warn(unconditional_recursion)]` on by default |
| |
| error: aborting due to 1 previous error; 1 warning emitted |
| |
| For more information about this error, try `rustc --explain E0720`. |
