From c4d4448745f4065ea4f4f86d21faca6cf55dd696 Mon Sep 17 00:00:00 2001
From: timofey <tim@ongoteam.yaconnect.com>
Date: Mon, 13 May 2024 21:07:02 +0300
Subject: [PATCH] doubly_futures

---
 src/model_03.rs | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/model_03.rs b/src/model_03.rs
index a054a4e..25b1e81 100644
--- a/src/model_03.rs
+++ b/src/model_03.rs
@@ -271,3 +271,12 @@ fn with_futures() {
     let x = futures::executor::block_on(x.into_future_()).into_::<i32>();
     assert_eq!(x, 10);
 }
+
+#[test]
+fn doubly_futures() {
+    type U = Composition<Futures, Futures>;
+    let x = generic_test::<U>();
+    let x = futures::executor::block_on(async { x.into_future_().await.into_future_().await })
+        .into_::<i32>();
+    assert_eq!(x, 10);
+}