src/test/ui/issues/issue-15896.stderr

   1 error[E0308]: mismatched types
   2   --> $DIR/issue-15896.rs:11:11
   3    |
   4 LL |     let u = match e {
   5    |                   - this expression has type `E`
   6 LL |         E::B(
   7 LL |           Tau{t: x},
   8    |           ^^^^^^^^^ expected enum `R`, found struct `Tau`
   9
  10 error: aborting due to previous error
  11
  12 For more information about this error, try `rustc --explain E0308`.