| error[E0308]: mismatched types | |
| --> $DIR/wrong-ret-type.rs:1:49 | |
| | | |
| LL | fn mk_int() -> usize { let i: isize = 3; return i; } | |
| | ----- ^ expected `usize`, found `isize` | |
| | | | |
| | expected `usize` because of return type | |
| | | |
| help: you can convert an `isize` to a `usize` and panic if the converted value doesn't fit | |
| | | |
| LL | fn mk_int() -> usize { let i: isize = 3; return i.try_into().unwrap(); } | |
| | ++++++++++++++++++++ | |
| error: aborting due to 1 previous error | |
| For more information about this error, try `rustc --explain E0308`. |