1 files changed, 11 insertions, 0 deletions
diff --git a/src/parse-expr.ts b/src/parse-expr.ts
new file mode 100644
index 0000000..53de485
--- /dev/null
+++ b/src/parse-expr.ts
@@ -0,0 +1,11 @@
+import { Enum, constructors } from "./utils/adt";
+
+export type Expr = Enum<{
+  Call: { name: string, args: Expr[] }
+  Var: { name: string, defaultValue: Expr }
+  Identifier: string
+  LiteralString: string
+}>;
+
+export const Expr = constructors<Expr>();
+