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error[E0525]: expected a closure that implements the `Fn` trait, but this closure only implements `FnOnce`
--> $DIR/unboxed-closures-infer-fn-once-move-from-projection.rs:24:13
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LL | let c = || drop(y.0); //~ ERROR expected a closure that implements the `Fn` trait
| ^^^^^^^^-^^^
| | |
| | closure is `FnOnce` because it moves the variable `y` out of its environment
| this closure implements `FnOnce`, not `Fn`
LL | foo(c);
| --- the requirement to implement `Fn` derives from here
error: aborting due to previous error
If you want more information on this error, try using "rustc --explain E0525"
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