From aa6d08eee4ec1a2fff9c835a6f7a6a593fb7d200 Mon Sep 17 00:00:00 2001
From: Marceline Cramer <cramermarceline@gmail.com>
Date: Thu, 30 Apr 2026 19:38:07 -0600
Subject: [PATCH] Parse type aliases

---
 crates/frontend/src/ast.rs | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/crates/frontend/src/ast.rs b/crates/frontend/src/ast.rs
index af4007c..2e71699 100644
--- a/crates/frontend/src/ast.rs
+++ b/crates/frontend/src/ast.rs
@@ -138,7 +138,9 @@ pub struct Relation<'db> {
 /// Parses [TypeAlias] from an [AstNode].
 #[salsa::tracked]
 pub fn type_alias<'db>(db: &'db dyn Database, ast: AstNode) -> TypeAlias<'db> {
-    todo!()
+    let name = ast.expect_field(db, "name").with_contents(db);
+    let ty = ty(db, ast.expect_field(db, "type"));
+    TypeAlias::new(db, name, ty)
 }
 
 /// An abstract type alias (syntax representation).