error: pattern on wrong side of `@`
  --> $DIR/wild-before-at-syntactically-rejected.rs:8:9
   |
LL |     let _ @ a = 0;
   |         -^^^-
   |         |   |
   |         |   binding on the right, should be on the left
   |         pattern on the left, should be on the right
   |
help: switch the order
   |
LL |     let a @ _ = 0;
   |         ~~~~~

error: pattern on wrong side of `@`
  --> $DIR/wild-before-at-syntactically-rejected.rs:10:9
   |
LL |     let _ @ ref a = 0;
   |         -^^^-----
   |         |   |
   |         |   binding on the right, should be on the left
   |         pattern on the left, should be on the right
   |
help: switch the order
   |
LL |     let ref a @ _ = 0;
   |         ~~~~~~~~~

error: pattern on wrong side of `@`
  --> $DIR/wild-before-at-syntactically-rejected.rs:12:9
   |
LL |     let _ @ ref mut a = 0;
   |         -^^^---------
   |         |   |
   |         |   binding on the right, should be on the left
   |         pattern on the left, should be on the right
   |
help: switch the order
   |
LL |     let ref mut a @ _ = 0;
   |         ~~~~~~~~~~~~~

error: left-hand side of `@` must be a binding
  --> $DIR/wild-before-at-syntactically-rejected.rs:14:9
   |
LL |     let _ @ (a, .., b) = (0, 1, 2, 3);
   |         -^^^----------
   |         |   |
   |         |   also a pattern
   |         interpreted as a pattern, not a binding
   |
   = note: bindings are `x`, `mut x`, `ref x`, and `ref mut x`

error: aborting due to 4 previous errors