| // even if this crate is edition 2021, proc macros compiled using older | |
| // editions should still be able to observe the pre-2021 token behavior | |
| // | |
| // adapted from tests/ui/rust-2021/reserved-prefixes-via-macro.rs | |
| //@ edition: 2021 | |
| //@ check-pass | |
| //@ proc-macro: count.rs | |
| extern crate count; | |
| const _: () = { | |
| assert!(count::number_of_tokens!() == 2); | |
| }; | |
| fn main() {} |