| error[E0050]: method `bar` has 1 parameter but the declaration in trait `Foo::bar` has 2 | |
| --> $DIR/impl-different-num-params.rs:5:12 | |
| | | |
| LL | fn bar(&self, x: usize) -> Self; | |
| | --------------- trait requires 2 parameters | |
| ... | |
| LL | fn bar(&self) -> isize { | |
| | ^^^^^ expected 2 parameters, found 1 | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0050`. |