1 files changed, 3 insertions, 0 deletions

diff --git a/crates/syntax/src/ast/make.rs b/crates/syntax/src/ast/make.rs
index 16b079c42..ba7e5d2fb 100644
--- a/crates/syntax/src/ast/make.rs
+++ b/crates/syntax/src/ast/make.rs
@@ -20,6 +20,9 @@ pub fn name_ref(text: &str) -> ast::NameRef {
 pub fn ty(text: &str) -> ast::Type {
     ast_from_text(&format!("impl {} for D {{}};", text))
 }
+pub fn ty_unit() -> ast::Type {
+    ty("()")
+}
 
 pub fn assoc_item_list() -> ast::AssocItemList {
     ast_from_text("impl C for D {};")