src/test/ui/missing/missing-return.stderr

   1 error[E0308]: mismatched types
   2   --> $DIR/missing-return.rs:3:11
   3    |
   4 LL | fn f() -> isize { }
   5    |    -      ^^^^^ expected `isize`, found `()`
   6    |    |
   7    |    implicitly returns `()` as its body has no tail or `return` expression
   8
   9 error: aborting due to previous error
  10
  11 For more information about this error, try `rustc --explain E0308`.