From ec5415358f929a5ce92f7451503653c7a190893e Mon Sep 17 00:00:00 2001
From: laizy <laizy@users.noreply.github.com>
Date: Fri, 22 Nov 2019 01:03:23 +0800
Subject: [PATCH] simplify AllFuture and AnyFuture (#572)

---
 src/stream/stream/all.rs | 5 +----
 src/stream/stream/any.rs | 5 +----
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/src/stream/stream/all.rs b/src/stream/stream/all.rs
index 5adb68f..d2ac5ca 100644
--- a/src/stream/stream/all.rs
+++ b/src/stream/stream/all.rs
@@ -10,7 +10,6 @@ use crate::task::{Context, Poll};
 pub struct AllFuture<'a, S, F, T> {
     pub(crate) stream: &'a mut S,
     pub(crate) f: F,
-    pub(crate) result: bool,
     pub(crate) _marker: PhantomData<T>,
 }
 
@@ -19,7 +18,6 @@ impl<'a, S, F, T> AllFuture<'a, S, F, T> {
         Self {
             stream,
             f,
-            result: true, // the default if the empty stream
             _marker: PhantomData,
         }
     }
@@ -40,7 +38,6 @@ where
         match next {
             Some(v) => {
                 let result = (&mut self.f)(v);
-                self.result = result;
 
                 if result {
                     // don't forget to wake this task again to pull the next item from stream
@@ -50,7 +47,7 @@ where
                     Poll::Ready(false)
                 }
             }
-            None => Poll::Ready(self.result),
+            None => Poll::Ready(true),
         }
     }
 }
diff --git a/src/stream/stream/any.rs b/src/stream/stream/any.rs
index d6853a1..34168e6 100644
--- a/src/stream/stream/any.rs
+++ b/src/stream/stream/any.rs
@@ -10,7 +10,6 @@ use crate::task::{Context, Poll};
 pub struct AnyFuture<'a, S, F, T> {
     pub(crate) stream: &'a mut S,
     pub(crate) f: F,
-    pub(crate) result: bool,
     pub(crate) _marker: PhantomData<T>,
 }
 
@@ -19,7 +18,6 @@ impl<'a, S, F, T> AnyFuture<'a, S, F, T> {
         Self {
             stream,
             f,
-            result: false, // the default if the empty stream
             _marker: PhantomData,
         }
     }
@@ -40,7 +38,6 @@ where
         match next {
             Some(v) => {
                 let result = (&mut self.f)(v);
-                self.result = result;
 
                 if result {
                     Poll::Ready(true)
@@ -50,7 +47,7 @@ where
                     Poll::Pending
                 }
             }
-            None => Poll::Ready(self.result),
+            None => Poll::Ready(false),
         }
     }
 }