1error[E0308]: mismatched types 2 --> $DIR/wrong-ret-type.rs:2:49 3 | 4LL | fn mk_int() -> usize { let i: isize = 3; return i; } 5 | ----- ^ expected `usize`, found `isize` 6 | | 7 | expected `usize` because of return type 8 | 9help: you can convert an `isize` to a `usize` and panic if the converted value doesn't fit 10 | 11LL | fn mk_int() -> usize { let i: isize = 3; return i.try_into().unwrap(); } 12 | ++++++++++++++++++++ 13 14error: aborting due to previous error 15 16For more information about this error, try `rustc --explain E0308`. 17