src/test/ui/issues/issue-87490.stderr

   1 error[E0308]: mismatched types
   2   --> $DIR/issue-87490.rs:9:5
   3    |
   4 LL | fn follow(_: &str) -> <&str as StreamOnce>::Position {
   5    |                       ------------------------------ expected `usize` because of return type
   6 LL |     String::new
   7    |     ^^^^^^^^^^^ expected `usize`, found fn item
   8    |
   9    = note: expected type `usize`
  10            found fn item `fn() -> String {String::new}`
  11
  12 error: aborting due to previous error
  13
  14 For more information about this error, try `rustc --explain E0308`.