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authorAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-05 09:13:28 +0100
committerAlbert Larsan <74931857+albertlarsan68@users.noreply.github.com>2023-01-11 09:32:08 +0000
commitcf2dff2b1e3fa55fa5415d524200070d0d7aacfe (patch)
tree40a88d9a46aaf3e8870676eb2538378b75a263eb /tests/ui/macros/macro-seq-followed-by-seq.rs
parentca855e6e42787ecd062d81d53336fe6788ef51a9 (diff)
downloadrust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.tar.gz
rust-cf2dff2b1e3fa55fa5415d524200070d0d7aacfe.zip
Move /src/test to /tests
Diffstat (limited to 'tests/ui/macros/macro-seq-followed-by-seq.rs')
-rw-r--r--tests/ui/macros/macro-seq-followed-by-seq.rs17
1 files changed, 17 insertions, 0 deletions
diff --git a/tests/ui/macros/macro-seq-followed-by-seq.rs b/tests/ui/macros/macro-seq-followed-by-seq.rs
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index 00000000000..8f0f4fd4a0d
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+++ b/tests/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) );
+}