| error[E0271]: type mismatch resolving `<Result<..., ()> as Future>::Error == Foo` |
| --> $DIR/E0271.rs:19:5 |
| | |
| LL | / Box::new( |
| LL | | Ok::<_, ()>( |
| LL | | Err::<(), _>( |
| LL | | Ok::<_, ()>( |
| ... | |
| LL | | ) |
| | |_____^ type mismatch resolving `<Result<..., ()> as Future>::Error == Foo` |
| | |
| note: expected this to be `Foo` |
| --> $DIR/E0271.rs:9:18 |
| | |
| LL | type Error = E; |
| | ^ |
| = note: required for the cast from `Box<Result<..., ()>>` to `Box<...>` |
| = note: the full name for the type has been written to '$TEST_BUILD_DIR/E0271.long-type-$LONG_TYPE_HASH.txt' |
| = note: consider using `--verbose` to print the full type name to the console |
| |
| error: aborting due to 1 previous error |
| |
| For more information about this error, try `rustc --explain E0271`. |
