| error: recursion limit reached while expanding `recurse!` | 
 |   --> $DIR/recursion_limit_macro.rs:10:31 | 
 |    | | 
 | LL |     ($t:tt $($tail:tt)*) => { recurse!($($tail)*) }; | 
 |    |                               ^^^^^^^^^^^^^^^^^^^ | 
 | ... | 
 | LL |     recurse!(0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9); | 
 |    |     ------------------------------------------------- in this macro invocation | 
 |    | | 
 |    = help: consider increasing the recursion limit by adding a `#![recursion_limit = "20"]` attribute to your crate (`recursion_limit_macro`) | 
 |    = note: this error originates in the macro `recurse` (in Nightly builds, run with -Z macro-backtrace for more info) | 
 |  | 
 | error: aborting due to 1 previous error | 
 |  |