error[E0308]: mismatched types
  --> $DIR/does-not-have-iter-separated.rs:8:5
   |
LL |     quote!($(a b),*);
   |     ^^^^^^^^^^^^^^^^ expected `HasIterator`, found `ThereIsNoIteratorInRepetition`

error: aborting due to 1 previous error

For more information about this error, try `rustc --explain E0308`.