From ccb59ce5e14be1c233eabf73e0c058c088c55951 Mon Sep 17 00:00:00 2001
From: EFanZh <efanzh@gmail.com>
Date: Thu, 5 Aug 2021 18:39:28 +0800
Subject: [PATCH] Implement `Default` trait for `OptionFuture` (#2471)

This provides an easy way to create empty `OptionFuture`s.
---
 futures-util/src/future/option.rs | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/futures-util/src/future/option.rs b/futures-util/src/future/option.rs
index 426fe50fea..0bc377758a 100644
--- a/futures-util/src/future/option.rs
+++ b/futures-util/src/future/option.rs
@@ -31,6 +31,12 @@ pin_project! {
     }
 }
 
+impl<F> Default for OptionFuture<F> {
+    fn default() -> Self {
+        Self { inner: None }
+    }
+}
+
 impl<F: Future> Future for OptionFuture<F> {
     type Output = Option<F::Output>;