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error[E0311]: the parameter type `T` may not live long enough
--> $DIR/E0311.rs:6:5
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LL | fn no_restriction<T>(x: &()) -> &() {
| --- the parameter type `T` must be valid for the anonymous lifetime defined here...
LL | with_restriction::<T>(x)
| ^^^^^^^^^^^^^^^^^^^^^ ...so that the type `T` will meet its required lifetime bounds
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help: consider adding an explicit lifetime bound
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LL | fn no_restriction<'a, T: 'a>(x: &'a ()) -> &'a () {
| +++ ++++ ++ ++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0311`.
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