src/test/ui/issues/issue-56835.stderr

   1 error: the `Self` constructor can only be used with tuple or unit structs
   2   --> $DIR/issue-56835.rs:4:12
   3    |
   4 LL |     fn bar(Self(foo): Self) {}
   5    |            ^^^^^^^^^ help: use curly brackets: `Self { /* fields */ }`
   6
   7 error[E0164]: expected tuple struct or tuple variant, found self constructor `Self`
   8   --> $DIR/issue-56835.rs:4:12
   9    |
  10 LL |     fn bar(Self(foo): Self) {}
  11    |            ^^^^^^^^^ not a tuple struct or tuple variant
  12
  13 error: aborting due to 2 previous errors
  14
  15 For more information about this error, try `rustc --explain E0164`.