From bfe8969e7dd33d05a15e01bfb8f5712f55eb6d84 Mon Sep 17 00:00:00 2001
From: Taiki Endo <te316e89@gmail.com>
Date: Fri, 26 Feb 2021 23:47:46 +0900
Subject: [PATCH] Fix clippy::manual_map warning (#2365)

---
 futures-util/src/stream/stream/skip.rs | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/futures-util/src/stream/stream/skip.rs b/futures-util/src/stream/stream/skip.rs
index 35dc69c7c9..f495779521 100644
--- a/futures-util/src/stream/stream/skip.rs
+++ b/futures-util/src/stream/stream/skip.rs
@@ -51,11 +51,8 @@ impl<St: Stream> Stream for Skip<St> {
     fn size_hint(&self) -> (usize, Option<usize>) {
         let (lower, upper) = self.stream.size_hint();
 
-        let lower = lower.saturating_sub(self.remaining as usize);
-        let upper = match upper {
-            Some(x) => Some(x.saturating_sub(self.remaining as usize)),
-            None => None,
-        };
+        let lower = lower.saturating_sub(self.remaining);
+        let upper = upper.map(|x| x.saturating_sub(self.remaining));
 
         (lower, upper)
     }