1 files changed, 7 insertions, 0 deletions
diff --git a/test cases/rust/18 proc-macro/proc.rs b/test cases/rust/18 proc-macro/proc.rs
new file mode 100644
index 0000000..53935e4
--- /dev/null
+++ b/test cases/rust/18 proc-macro/proc.rs
@@ -0,0 +1,7 @@
+extern crate proc_macro;
+use proc_macro::TokenStream;
+
+#[proc_macro]
+pub fn make_answer(_item: TokenStream) -> TokenStream {
+    "fn answer() -> u32 { 42 }".parse().unwrap()
+}