diff --git a/src/tests2.ts b/src/tests2.ts
new file mode 100644
index 0000000..b61c281
--- /dev/null
+++ b/src/tests2.ts
@@ -0,0 +1,20 @@
+import { Option } from "effect"
+import { z } from "zod"
+import { s } from "./schema/lib"
+
+
+const schema = z.object({
+    id: s.effect.option(z.bigint())
+})
+
+const jsonifySchema = schema.extend({
+    id: s.effect.option.jsonify(schema.shape.id, s.bigint.jsonify)
+})
+
+const dejsonifySchema = schema.extend({
+    id: s.effect.option.dejsonify(schema.shape.id, s.bigint.dejsonify)
+})
+
+
+const jsonified = jsonifySchema.parse({ id: Option.some(1n) })
+console.log(dejsonifySchema.parse(jsonified))