//@edition: 2018 | |
// https://github.com/rust-lang/rust/issues/98291 | |
macro_rules! wrap { | |
() => { | |
macro_rules! _a { | |
() => { | |
"" | |
}; | |
} | |
}; | |
} | |
wrap!(); | |
fn main() { | |
format_args!(a!()); //~ ERROR: cannot find macro `a` in this scope | |
env!(a!()); //~ ERROR: cannot find macro `a` in this scope | |
} |