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Diffstat (limited to '')
-rw-r--r-- | src/test/ui/macros/macro-seq-followed-by-seq.rs | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/src/test/ui/macros/macro-seq-followed-by-seq.rs b/src/test/ui/macros/macro-seq-followed-by-seq.rs new file mode 100644 index 000000000..8f0f4fd4a --- /dev/null +++ b/src/test/ui/macros/macro-seq-followed-by-seq.rs @@ -0,0 +1,17 @@ +// 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) ); +} |