rust/tests/ui/issues/issue-50403.rs
clubby789 64f7597776 Migrate most of rustc_builtin_macros to diagnostic impls
Co-authored-by: Joe ST <joe@fbstj.net>
Co-authored-by: Michael Goulet <michael@errs.io>
2023-04-10 21:16:53 +01:00

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Rust

#![feature(concat_idents)]
fn main() {
let x = concat_idents!(); //~ ERROR `concat_idents!()` takes 1 or more arguments
}