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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`.
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