src/test/ui/hygiene/trait_items.stderr

   1 error[E0599]: no method named `f` found for type `()` in the current scope
   2   --> $DIR/trait_items.rs:17:24
   3    |
   4 LL |     fn f() { ::baz::m!(); }
   5    |              ------------ in this macro invocation
   6 ...
   7 LL |     pub macro m() { ().f() }
   8    |                        ^ method not found in `()`
   9    |
  10    = help: items from traits can only be used if the trait is in scope
  11    = note: the following trait is implemented but not in scope; perhaps add a `use` for it:
  12            `use foo::T;`
  13
  14 error: aborting due to previous error
  15
  16 For more information about this error, try `rustc --explain E0599`.