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Diffstat (limited to 'crates/hir-def/src/macro_expansion_tests/mbe.rs')
-rw-r--r--crates/hir-def/src/macro_expansion_tests/mbe.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/crates/hir-def/src/macro_expansion_tests/mbe.rs b/crates/hir-def/src/macro_expansion_tests/mbe.rs
index 9c1fe54738..30d39d52f3 100644
--- a/crates/hir-def/src/macro_expansion_tests/mbe.rs
+++ b/crates/hir-def/src/macro_expansion_tests/mbe.rs
@@ -1612,3 +1612,21 @@ impl Foo {
"#]],
)
}
+
+#[test]
+fn test_metavar_exprs() {
+ check(
+ r#"
+macro_rules! m {
+ ( $( $t:tt )* ) => ( $( ${ignore(t)} -${index()} )-* );
+}
+const _: i32 = m!(a b c);
+ "#,
+ expect![[r#"
+macro_rules! m {
+ ( $( $t:tt )* ) => ( $( ${ignore(t)} -${index()} )-* );
+}
+const _: i32 = -0--1--2;
+ "#]],
+ );
+}