| error[E0059]: cannot use call notation; the first type parameter for the function trait is neither a tuple nor unit | |
| --> $DIR/non-tupled-call.rs:9:5 | |
| | | |
| LL | func(x); | |
| | ^^^^^^^ | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0059`. |