tests/ui/hygiene/cross-crate-define-and-use.rs

   1 // Check that a marco from another crate can define an item in one expansion
   2 // and use it from another, without it being visible to everyone.
   3 // This requires that the definition of `my_struct` preserves the hygiene
   4 // information for the tokens in its definition.
   5
   6 // check-pass
   7 // aux-build:use_by_macro.rs
   8
   9 #![feature(type_name_of_val)]
  10 extern crate use_by_macro;
  11
  12 use use_by_macro::*;
  13
  14 enum MyStruct {}
  15 my_struct!(define);
  16
  17 fn main() {
  18     let x = my_struct!(create);
  19 }