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error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
--> $DIR/issue-32995-2.rs:2:22
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LL | { fn f<X: ::std::marker()::Send>() {} }
| ^^^^^^^^ only `Fn` traits may use parentheses
error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
--> $DIR/issue-32995-2.rs:5:29
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LL | { fn f() -> impl ::std::marker()::Send { } }
| ^^^^^^^^ only `Fn` traits may use parentheses
error[E0214]: parenthesized type parameters may only be used with a `Fn` trait
--> $DIR/issue-32995-2.rs:12:13
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LL | impl ::std::marker()::Copy for X {}
| ^^^^^^^^ only `Fn` traits may use parentheses
error: aborting due to 3 previous errors
For more information about this error, try `rustc --explain E0214`.
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