From 75a26f64ff8aa4fcacd849b2b3cde8f688baa789 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lauren=C8=9Biu=20Nicola?= <lnicola@dend.ro>
Date: Fri, 18 Dec 2020 17:47:48 +0200
Subject: mbe: treat _ as ident

---
 crates/mbe/src/tests.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'crates/mbe/src/tests.rs')

diff --git a/crates/mbe/src/tests.rs b/crates/mbe/src/tests.rs
index dff6e98c2..f10e7a9b6 100644
--- a/crates/mbe/src/tests.rs
+++ b/crates/mbe/src/tests.rs
@@ -991,6 +991,18 @@ fn test_tt_composite2() {
     );
 }
 
+#[test]
+fn test_underscore() {
+    parse_macro(
+        r#"
+            macro_rules! foo {
+                 ($_:tt) => { 0 }
+            }
+    "#,
+    )
+    .assert_expand_items(r#"foo! { => }"#, r#"0"#);
+}
+
 #[test]
 fn test_lifetime() {
     parse_macro(
-- 
cgit v1.2.3