| error[E0061]: this function takes 2 arguments but 1 argument was supplied | |
| --> $DIR/issue-18819.rs:16:5 | |
| | | |
| LL | fn print_x(_: &dyn Foo<Item=bool>, extra: &str) { | |
| | ----------------------------------------------- defined here | |
| ... | |
| LL | print_x(X); | |
| | ^^^^^^^ - supplied 1 argument | |
| | | | |
| | expected 2 arguments | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0061`. |