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()7fn 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