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-rw-r--r--src/test/ui/macros/macro-seq-followed-by-seq.rs17
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
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index 000000000..8f0f4fd4a
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+++ b/src/test/ui/macros/macro-seq-followed-by-seq.rs
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+// 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) );
+}