rust/tests/ui/feature-gates/feature-gate-concat_idents2.rs

fn main() {
    concat_idents!(a, b); //~ ERROR `concat_idents` is not stable enough
                          //~| ERROR cannot find value `ab` in this scope
}
rustc: feature-gate `concat_idents!`. concat_idents! is not as useful as it could be, due to macros only being allowed in limited places, and hygiene, so lets feature gate it until we make a decision about it. cc #13294 2014-04-03 23:24:21 +00:00			`fn main() {`
			concat_idents!(a, b); //~ ERROR `concat_idents` is not stable enough
Make sure feature gate errors are recoverable 2018-12-20 22:47:03 +00:00			//~\| ERROR cannot find value `ab` in this scope
rustc: feature-gate `concat_idents!`. concat_idents! is not as useful as it could be, due to macros only being allowed in limited places, and hygiene, so lets feature gate it until we make a decision about it. cc #13294 2014-04-03 23:24:21 +00:00			`}`