Merge #7205

7205: Fix bug for $crate in LHS of mbe r=edwin0cheng a=edwin0cheng

We treated `$crate` as meta variable in LHS of mbe, which should be an `ident`. 

Fixes #7204

Co-authored-by: Edwin Cheng <[email protected]>

1 files changed, 13 insertions, 0 deletions

diff --git a/crates/mbe/src/tests.rs b/crates/mbe/src/tests.rs
index 1d9afb4fb..d854985c5 100644
--- a/crates/mbe/src/tests.rs
+++ b/crates/mbe/src/tests.rs
@@ -1080,6 +1080,19 @@ fn test_vertical_bar_with_pat() {
 }
 
 #[test]
+fn test_dollar_crate_lhs_is_not_meta() {
+    parse_macro(
+        r#"
+macro_rules! foo {
+    ($crate) => {};
+    () => {0};
+}
+    "#,
+    )
+    .assert_expand_items(r#"foo!{}"#, r#"0"#);
+}
+
+#[test]
 fn test_lifetime() {
     parse_macro(
         r#"