| error[E0368]: binary assignment operation `+=` cannot be applied to type `Foo` | |
| --> $DIR/assignment-operator-unimplemented.rs:6:3 | |
| | | |
| LL | a += *b; | |
| | -^^^^^^ | |
| | | | |
| | cannot use `+=` on type `Foo` | |
| | | |
| = note: an implementation of `std::ops::AddAssign` might be missing for `Foo` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0368`. |