rust/tests/ui/macros/expr_2021_cargo_fix_edition.rs
Eric Holk c7cd55f7c5 Stabilize expr_2021 fragment in all editions
Co-authored-by: Michael Goulet <michael@errs.io>
Co-authored-by: Vincenzo Palazzo <vincenzopalazzodev@gmail.com>
2024-10-01 07:51:58 +00:00

23 lines
561 B
Rust

//@ run-rustfix
//@ check-pass
//@ compile-flags: --edition=2021
#![warn(edition_2024_expr_fragment_specifier)]
macro_rules! m {
($e:expr) => { //~ WARN: the `expr` fragment specifier will accept more expressions in the 2024 edition
//~^ WARN: this changes meaning in Rust 2024
$e
};
($($i:expr)*) => { }; //~ WARN: the `expr` fragment specifier will accept more expressions in the 2024 edition
//~^ WARN: this changes meaning in Rust 2024
}
macro_rules! test {
(expr) => {}
}
fn main() {
m!(());
test!(expr);
}