| error[E0608]: cannot index into a value of type `()` | |
| --> $DIR/issue-40861.rs:4:7 | |
| | | |
| LL | ()[f(&[1.0])]; | |
| | ^^^^^^^^^^^ | |
| | | |
| = help: to access tuple elements, use tuple indexing syntax (e.g., `tuple.0`) | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0608`. |