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error[E0277]: the trait bound `u32: Bound` is not satisfied
--> $DIR/closure-wf.rs:9:33
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LL | constrain_inner(1u32, |&(), _| ());
| ^ the trait `Bound` is not implemented for `u32`
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help: this trait has no implementations, consider adding one
--> $DIR/closure-wf.rs:1:1
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LL | trait Bound {}
| ^^^^^^^^^^^
note: required by a bound in `NeedsBound`
--> $DIR/closure-wf.rs:2:22
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LL | struct NeedsBound<T: Bound>(T);
| ^^^^^ required by this bound in `NeedsBound`
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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