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warning: function cannot return without recursing
--> $DIR/region-bound-on-closure-outlives-call.rs:1:1
|
LL | fn call_rec<F>(mut f: F) -> usize where F: FnMut(usize) -> usize {
| ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ cannot return without recursing
LL |
LL | (|x| f(x))(call_rec(f))
| ----------- recursive call site
|
= help: a `loop` may express intention better if this is on purpose
= note: `#[warn(unconditional_recursion)]` on by default
error[E0505]: cannot move out of `f` because it is borrowed
--> $DIR/region-bound-on-closure-outlives-call.rs:3:25
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LL | (|x| f(x))(call_rec(f))
| --- - ^ move out of `f` occurs here
| | |
| | borrow occurs due to use in closure
| borrow of `f` occurs here
error: aborting due to previous error; 1 warning emitted
For more information about this error, try `rustc --explain E0505`.
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