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error[E0277]: the trait bound `U: From<T>` is not satisfied
--> $DIR/issue-53092.rs:14:5
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LL | |x| x.into()
| ^^^^^^^^^^^^ the trait `From<T>` is not implemented for `U`
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note: required by a bound in `make_bug`
--> $DIR/issue-53092.rs:13:19
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LL | fn make_bug<T, U: From<T>>() -> Bug<T, U> {
| ^^^^^^^ required by this bound in `make_bug`
help: consider restricting type parameter `U`
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LL | type Bug<T, U: std::convert::From<T>> = impl Fn(T) -> U + Copy;
| +++++++++++++++++++++++
error: aborting due to previous error
For more information about this error, try `rustc --explain E0277`.
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