1 // run-pass
2 // edition:2021
3 // aux-build:reserved-prefixes-macro-2018.rs
4 
5 extern crate reserved_prefixes_macro_2018 as m2018;
6 
main()7 fn main() {
8     // Ok, even though *this* crate is 2021:
9     assert_eq!(m2018::number_of_tokens_in_a_prefixed_integer_literal!(), 3);
10     assert_eq!(m2018::number_of_tokens_in_a_prefixed_char_literal!(), 3);
11     assert_eq!(m2018::number_of_tokens_in_a_prefixed_string_literal!(), 3);
12 }
13