rust/tests/ui/macros/issue-58490.rs

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2020-03-12 19:03:30 -05:00
// Regression test for #58490
macro_rules! a {
( @1 $i:item ) => {
a! { @2 $i }
};
( @2 $i:item ) => {
$i
};
}
mod b {
a! {
@1
#[macro_export]
macro_rules! b { () => () }
}
#[macro_export]
macro_rules! b { () => () }
//~^ ERROR: the name `b` is defined multiple times
}
mod c {
#[allow(unused_imports)]
use crate::b;
}
fn main() {}