| $ cargo run | |
| Compiling variables v0.1.0 (file:///projects/variables) | |
| error[E0308]: mismatched types | |
| --> src/main.rs:3:14 | |
| | | |
| 3 | spaces = spaces.len(); | |
| | ^^^^^^^^^^^^ expected `&str`, found `usize` | |
| error: aborting due to previous error | |
| For more information about this error, try `rustc --explain E0308`. | |
| error: could not compile `variables`. | |
| To learn more, run the command again with --verbose. |