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error[E0277]: the trait bound `fn() -> Foo: Bar` is not satisfied
--> $DIR/call-on-unimplemented-fn-ptr.rs:10:15
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LL | needs_bar(f);
| --------- ^ the trait `Bar` is not implemented for `fn() -> Foo`
| |
| required by a bound introduced by this call
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note: required by a bound in `needs_bar`
--> $DIR/call-on-unimplemented-fn-ptr.rs:7:17
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LL | fn needs_bar<T: Bar>(_: T) {}
| ^^^ required by this bound in `needs_bar`
help: use parentheses to call this function pointer
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LL | needs_bar(f());
| ++
error: aborting due to 1 previous error
For more information about this error, try `rustc --explain E0277`.
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