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[rust.git] / src / test / ui / pattern / usefulness / issue-88747.rs
1 // check-pass: this used to be a stack overflow because of recursion in `usefulness.rs`
2
3 macro_rules! long_tuple_arg {
4     ([$($t:tt)*]#$($h:tt)*) => {
5         long_tuple_arg!{[$($t)*$($t)*]$($h)*}
6     };
7     ([$([$t:tt $y:tt])*]) => {
8         pub fn _f(($($t,)*): ($($y,)*)) {}
9     }
10 }
11
12 long_tuple_arg!{[[_ u8]]########## ###}
13
14 fn main() {}