| error[E0050]: method `foo` has 2 parameters but the declaration in trait `Foo::foo` has 3 | |
| --> $DIR/trait-method-number-parameters.rs:17:9 | |
| | | |
| LL | fn foo(&mut self, x: i32, y: i32) -> i32; | |
| | ------------------------- trait requires 3 parameters | |
| ... | |
| LL | / &mut self, //~ ERROR | |
| LL | | x: i32, | |
| | |______________^ expected 3 parameters, found 2 | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0050`. |