rust/tests/ui/rfcs/rfc-3348-c-string-literals/edition-2015-2018-lexing.rs
2024-02-16 20:02:50 +00:00

25 lines
641 B
Rust

// Regression test for issue #113235.
//@ check-pass
//@ revisions: edition2015 edition2018
//@[edition2015] edition: 2015
//@[edition2018] edition: 2018
// Make sure that in pre-2021 editions we continue to parse the snippet
// `c"hello"` as an identifier followed by a (normal) string literal and
// allow the code below to compile.
// Prefixes including `c` as used by C string literals are only reserved
// in edition 2021 and onward.
//
// Consider checking out rust-2021/reserved-prefixes-migration.rs as well.
macro_rules! parse {
(c $e:expr) => {
$e
};
}
fn main() {
let _: &'static str = parse!(c"hello");
}