error[E0308]: mismatched types | |
--> $DIR/tail-typeck.rs:3:26 | |
| | |
LL | fn f() -> isize { return g(); } | |
| ----- ^^^ expected `isize`, found `usize` | |
| | | |
| expected `isize` because of return type | |
| | |
help: you can convert an `usize` to `isize` and panic if the converted value wouldn't fit | |
| | |
LL | fn f() -> isize { return g().try_into().unwrap(); } | |
| ^^^^^^^^^^^^^^^^^^^^^^^ | |
error: aborting due to previous error | |
For more information about this error, try `rustc --explain E0308`. |