mirror of https://github.com/rust-lang/rust
22 lines
770 B
Rust
22 lines
770 B
Rust
//@ edition:2018
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//@ aux-build:reserved-prefixes-macro-2018.rs
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//@ aux-build:reserved-prefixes-macro-2021.rs
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extern crate reserved_prefixes_macro_2018 as m2018;
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extern crate reserved_prefixes_macro_2021 as m2021;
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fn main() {
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// Ok:
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m2018::number_of_tokens_in_a_prefixed_integer_literal!();
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m2018::number_of_tokens_in_a_prefixed_char_literal!();
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m2018::number_of_tokens_in_a_prefixed_string_literal!();
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// Error, even though *this* crate is 2018:
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m2021::number_of_tokens_in_a_prefixed_integer_literal!();
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//~^ ERROR prefix `hey` is unknown
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m2021::number_of_tokens_in_a_prefixed_char_literal!();
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//~^ ERROR prefix `hey` is unknown
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m2021::number_of_tokens_in_a_prefixed_string_literal!();
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//~^ ERROR prefix `hey` is unknown
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}
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