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//@ edition:2018
//@ aux-build:reserved-prefixes-macro-2018.rs
//@ aux-build:reserved-prefixes-macro-2021.rs
extern crate reserved_prefixes_macro_2018 as m2018;
extern crate reserved_prefixes_macro_2021 as m2021;
fn main() {
// Ok:
m2018::number_of_tokens_in_a_prefixed_integer_literal!();
m2018::number_of_tokens_in_a_prefixed_char_literal!();
m2018::number_of_tokens_in_a_prefixed_string_literal!();
// Error, even though *this* crate is 2018:
m2021::number_of_tokens_in_a_prefixed_integer_literal!();
//~^ ERROR prefix `hey` is unknown
m2021::number_of_tokens_in_a_prefixed_char_literal!();
//~^ ERROR prefix `hey` is unknown
m2021::number_of_tokens_in_a_prefixed_string_literal!();
//~^ ERROR prefix `hey` is unknown
}
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