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error[E0277]: the trait bound `T: Trait` is not satisfied
--> $DIR/generic_underconstrained.rs:9:31
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LL | fn underconstrain<T>(_: T) -> Underconstrained<T> {
| ^^^^^^^^^^^^^^^^^^^ the trait `Trait` is not implemented for `T`
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note: required by a bound in `Underconstrained`
--> $DIR/generic_underconstrained.rs:6:26
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LL | type Underconstrained<T: Trait> = impl Send;
| ^^^^^ required by this bound in `Underconstrained`
help: consider restricting type parameter `T`
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LL | fn underconstrain<T: Trait>(_: T) -> Underconstrained<T> {
| +++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
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