src/test/ui/rust-2021/reserved-prefixes-via-macro-2.rs

   1 // edition:2018
   2 // aux-build:reserved-prefixes-macro-2018.rs
   3 // aux-build:reserved-prefixes-macro-2021.rs
   4
   5 extern crate reserved_prefixes_macro_2018 as m2018;
   6 extern crate reserved_prefixes_macro_2021 as m2021;
   7
   8 fn main() {
   9     // Ok:
  10     m2018::number_of_tokens_in_a_prefixed_integer_literal!();
  11     m2018::number_of_tokens_in_a_prefixed_char_literal!();
  12     m2018::number_of_tokens_in_a_prefixed_string_literal!();
  13
  14     // Error, even though *this* crate is 2018:
  15     m2021::number_of_tokens_in_a_prefixed_integer_literal!();
  16     //~^ ERROR prefix `hey` is unknown
  17     m2021::number_of_tokens_in_a_prefixed_char_literal!();
  18     //~^ ERROR prefix `hey` is unknown
  19     m2021::number_of_tokens_in_a_prefixed_string_literal!();
  20     //~^ ERROR prefix `hey` is unknown
  21 }