| //@ run-pass |
| // Test of allowing two sequences repetitions in a row, |
| // functionality added as byproduct of RFC amendment #1384 |
| // https://github.com/rust-lang/rfcs/pull/1384 |
| |
| // Old version of Rust would reject this macro definition, even though |
| // there are no local ambiguities (the initial `banana` and `orange` |
| // tokens are enough for the expander to distinguish which case is |
| // intended). |
| macro_rules! foo { |
| ( $(banana $a:ident)* $(orange $b:tt)* ) => { }; |
| } |
| |
| fn main() { |
| foo!( banana id1 banana id2 |
| orange hi orange (hello world) ); |
| } |
