| error[E0308]: mismatched types | |
| --> $DIR/whitespace-trimming-2.rs:4:187 | |
| | | |
| LL | ...-> usize { | |
| | ----- expected `usize` because of return type | |
| LL | ... () | |
| | ^^ expected `usize`, found `()` | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0308`. |