diff --git a/src/Layers/trpc/tests.ts b/src/Layers/trpc/tests.ts
new file mode 100644
index 0000000..2f51664
--- /dev/null
+++ b/src/Layers/trpc/tests.ts
@@ -0,0 +1,18 @@
+import { Console, Effect, identity } from "effect"
+
+
+const expansiveComputation = Effect.gen(function*() {
+    yield* Console.log("executing")
+    return "value"
+}).pipe(
+    Effect.cached,
+)
+
+await Effect.gen(function*() {
+    const cached = yield* expansiveComputation
+    yield* Console.log(yield* cached)
+    yield* Console.log(yield* cached)
+    yield* Console.log(yield* cached)
+}).pipe(
+    Effect.runPromise
+)