blob: 9c54a674533d4744455fd8d6ff6b4c771c92bb41 (
plain)
1
2
3
4
5
6
7
8
9
10
11
|
macro_rules! zero_or_one {
($($a:literal)?) => {
f();
}
}
fn main() {
zero_or_one!();
zero_or_one!(14);
zero_or_one!(125 12 "gcc"); // { dg-error "Failed to match any rule within macro" }
}
|