1error[E0069]: `return;` in a function whose return type is not `()`
2  --> $DIR/ret-non-nil.rs:5:19
3   |
4LL | fn g() -> isize { return; }
5   |           -----   ^^^^^^ return type is not `()`
6   |           |
7   |           expected `isize` because of this return type
8
9error: aborting due to previous error
10
11For more information about this error, try `rustc --explain E0069`.
12