src/test/ui/did_you_mean/recursion_limit_macro.rs

   1 // Test that the recursion limit can be changed and that the compiler
   2 // suggests a fix. In this case, we have a recursing macro that will
   3 // overflow if the number of arguments surpasses the recursion limit.
   4
   5 #![allow(dead_code)]
   6 #![recursion_limit="10"]
   7
   8 macro_rules! recurse {
   9     () => { };
  10     ($t:tt $($tail:tt)*) => { recurse!($($tail)*) }; //~ ERROR recursion limit
  11 }
  12
  13 fn main() {
  14     recurse!(0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9);
  15 }