simplify trait bound

Author: dignifiedquire

src/collections/binary_heap/extend.rs

@@ -5,7 +5,7 @@ use crate::prelude::*;
 use crate::stream::{self, IntoStream};
 
 impl<T: Ord + Send> stream::Extend<T> for BinaryHeap<T> {
-    fn extend<'a, S: IntoStream<Item = T> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = T> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>

src/collections/btree_map/extend.rs

@@ -5,7 +5,7 @@ use crate::prelude::*;
 use crate::stream::{self, IntoStream};
 
 impl<K: Ord + Send, V: Send> stream::Extend<(K, V)> for BTreeMap<K, V> {
-    fn extend<'a, S: IntoStream<Item = (K, V)> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = (K, V)> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>

src/collections/btree_set/extend.rs

@@ -5,7 +5,7 @@ use crate::prelude::*;
 use crate::stream::{self, IntoStream};
 
 impl<T: Ord + Send> stream::Extend<T> for BTreeSet<T> {
-    fn extend<'a, S: IntoStream<Item = T> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = T> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>

src/collections/hash_map/extend.rs

@@ -11,7 +11,7 @@ where
     V: Send,
     H: BuildHasher + Default + Send,
 {
-    fn extend<'a, S: IntoStream<Item = (K, V)> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = (K, V)> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>

src/collections/hash_set/extend.rs

@@ -10,7 +10,7 @@ where
     T: Eq + Hash + Send,
     H: BuildHasher + Default + Send,
 {
-    fn extend<'a, S: IntoStream<Item = T> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = T> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>

src/collections/linked_list/extend.rs

@@ -5,7 +5,7 @@ use crate::prelude::*;
 use crate::stream::{self, IntoStream};
 
 impl<T: Send> stream::Extend<T> for LinkedList<T> {
-    fn extend<'a, S: IntoStream<Item = T> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = T> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>

src/collections/vec_deque/extend.rs

@@ -5,7 +5,7 @@ use crate::prelude::*;
 use crate::stream::{self, IntoStream};
 
 impl<T: Send> stream::Extend<T> for VecDeque<T> {
-    fn extend<'a, S: IntoStream<Item = T> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = T> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>

src/path/pathbuf.rs

@@ -320,7 +320,7 @@ impl AsRef<OsStr> for PathBuf {
 
 #[cfg(feature = "unstable")]
 impl<P: AsRef<Path>> stream::Extend<P> for PathBuf {
-    fn extend<'a, S: IntoStream<Item = P> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = P> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>

src/stream/extend.rs

@@ -31,7 +31,7 @@ use crate::stream::IntoStream;
 #[cfg_attr(feature = "docs", doc(cfg(unstable)))]
 pub trait Extend<A> {
     /// Extends a collection with the contents of a stream.
-    fn extend<'a, T: IntoStream<Item = A> + 'a + Send>(
+    fn extend<'a, T: IntoStream<Item = A> + 'a>(
         &'a mut self,
         stream: T,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>
@@ -70,7 +70,7 @@ pub trait Extend<A> {
 pub async fn extend<'a, C, T, S>(collection: &mut C, stream: S)
 where
     C: Extend<T>,
-    S: IntoStream<Item = T> + 'a + Send,
+    S: IntoStream<Item = T> + 'a,
     <S as IntoStream>::IntoStream: Send,
 {
     Extend::extend(collection, stream).await

src/string/extend.rs

@@ -5,7 +5,7 @@ use crate::prelude::*;
 use crate::stream::{self, IntoStream};
 
 impl stream::Extend<char> for String {
-    fn extend<'a, S: IntoStream<Item = char> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = char> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>> 
@@ -26,7 +26,7 @@ impl stream::Extend<char> for String {
 }
 
 impl<'b> stream::Extend<&'b char> for String {
-    fn extend<'a, S: IntoStream<Item = &'b char> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = &'b char> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>> 
@@ -46,7 +46,7 @@ impl<'b> stream::Extend<&'b char> for String {
 }
 
 impl<'b> stream::Extend<&'b str> for String {
-    fn extend<'a, S: IntoStream<Item = &'b str> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = &'b str> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>> 
@@ -66,7 +66,7 @@ impl<'b> stream::Extend<&'b str> for String {
 }
 
 impl stream::Extend<String> for String {
-    fn extend<'a, S: IntoStream<Item = String> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = String> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>
@@ -86,7 +86,7 @@ impl stream::Extend<String> for String {
 }
 
 impl<'b> stream::Extend<Cow<'b, str>> for String {
-    fn extend<'a, S: IntoStream<Item = Cow<'b, str>> + 'a + Send>(
+    fn extend<'a, S: IntoStream<Item = Cow<'b, str>> + 'a>(
         &'a mut self,
         stream: S,
     ) -> Pin<Box<dyn Future<Output = ()> + 'a + Send>>