macro_rules: NtLifetime cannot start with an identifier

2020-04-04 16:23:43 +03:00 · 2020-04-04 16:23:43 +03:00 · 106b30e869
commit 106b30e869
parent 49dc2f9f09
2 changed files with 14 additions and 1 deletions
--- a/src/test/ui/macros/issue-70446.rs
+++ b/src/test/ui/macros/issue-70446.rs
@ -0,0 +1,13 @@
+// check-pass
+
+macro_rules! foo {
+    ($(: $p:path)? $(: $l:lifetime)? ) => { bar! {$(: $p)? $(: $l)? } };
+}
+
+macro_rules! bar {
+    ($(: $p:path)? $(: $l:lifetime)? ) => {};
+}
+
+foo! {: 'a }
+
+fn main() {}