1error[E0308]: mismatched types 2 --> $DIR/extern-types-distinct-types.rs:9:5 3 | 4LL | type A; 5 | ------- the found foreign type 6LL | type B; 7 | ------- the expected foreign type 8... 9LL | fn foo(r: &A) -> &B { 10 | -- expected `&B` because of return type 11LL | r 12 | ^ expected extern type `B`, found extern type `A` 13 | 14 = note: expected reference `&B` 15 found reference `&A` 16 17error: aborting due to previous error 18 19For more information about this error, try `rustc --explain E0308`. 20