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-rw-r--r--tests/ui/macros/doc-comment.rs25
1 files changed, 25 insertions, 0 deletions
diff --git a/tests/ui/macros/doc-comment.rs b/tests/ui/macros/doc-comment.rs
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+++ b/tests/ui/macros/doc-comment.rs
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+// check-pass
+// Tests that we properly handle a nested macro expansion
+// involving a `#[doc]` attribute
+#![deny(missing_docs)]
+//! Crate docs
+
+macro_rules! doc_comment {
+    ($x:expr, $($tt:tt)*) => {
+        #[doc = $x]
+        $($tt)*
+    }
+}
+
+macro_rules! make_comment {
+    () => {
+        doc_comment!("Function docs",
+            pub fn bar() {}
+        );
+    }
+}
+
+
+make_comment!();
+
+fn main() {}